{"metric":"obr_forecast_psnb","unit":"£ billion","geography":"K02000001","note":"Every published estimate for every period, oldest release first. A period appearing more than once was revised.","vintages":[{"period_start":"1970-04-01","period_end":"1971-03-31","period_label":"Year ending March 1971","value":-0.323,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1970-71","raw_value":"-0.323"}},{"period_start":"1971-04-01","period_end":"1972-03-31","period_label":"Year ending March 1972","value":0.634,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1971-72","raw_value":"0.634"}},{"period_start":"1972-04-01","period_end":"1973-03-31","period_label":"Year ending March 1973","value":1.913,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1972-73","raw_value":"1.913"}},{"period_start":"1973-04-01","period_end":"1974-03-31","period_label":"Year ending March 1974","value":3.383,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1973-74","raw_value":"3.383"}},{"period_start":"1974-04-01","period_end":"1975-03-31","period_label":"Year ending March 1975","value":5.592,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1974-75","raw_value":"5.592"}},{"period_start":"1975-04-01","period_end":"1976-03-31","period_label":"Year ending March 1976","value":7.651,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1975-76","raw_value":"7.651"}},{"period_start":"1976-04-01","period_end":"1977-03-31","period_label":"Year ending March 1977","value":7.004,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1976-77","raw_value":"7.004"}},{"period_start":"1977-04-01","period_end":"1978-03-31","period_label":"Year ending March 1978","value":6.424,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1977-78","raw_value":"6.424"}},{"period_start":"1978-04-01","period_end":"1979-03-31","period_label":"Year ending March 1979","value":8.685,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1978-79","raw_value":"8.685"}},{"period_start":"1979-04-01","period_end":"1980-03-31","period_label":"Year ending March 1980","value":8.546,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1979-80","raw_value":"8.546"}},{"period_start":"1980-04-01","period_end":"1981-03-31","period_label":"Year ending March 1981","value":11.537,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1980-81","raw_value":"11.537"}},{"period_start":"1981-04-01","period_end":"1982-03-31","period_label":"Year ending March 1982","value":5.999,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1981-82","raw_value":"5.999"}},{"period_start":"1982-04-01","period_end":"1983-03-31","period_label":"Year ending March 1983","value":8.542,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1982-83","raw_value":"8.542"}},{"period_start":"1983-04-01","period_end":"1984-03-31","period_label":"Year ending March 1984","value":11.802,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1983-84","raw_value":"11.802"}},{"period_start":"1984-04-01","period_end":"1985-03-31","period_label":"Year ending March 1985","value":12.535,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1984-85","raw_value":"12.535"}},{"period_start":"1985-04-01","period_end":"1986-03-31","period_label":"Year ending March 1986","value":9.034,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1985-86","raw_value":"9.034"}},{"period_start":"1986-04-01","period_end":"1987-03-31","period_label":"Year ending March 1987","value":8.74,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1986-87","raw_value":"8.74"}},{"period_start":"1987-04-01","period_end":"1988-03-31","period_label":"Year ending March 1988","value":5.074,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1987-88","raw_value":"5.074"}},{"period_start":"1988-04-01","period_end":"1989-03-31","period_label":"Year ending March 1989","value":-5.53,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1988-89","raw_value":"-5.53"}},{"period_start":"1989-04-01","period_end":"1990-03-31","period_label":"Year ending March 1990","value":0.124,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1989-90","raw_value":"0.124"}},{"period_start":"1990-04-01","period_end":"1991-03-31","period_label":"Year ending March 1991","value":7.315,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1990-91","raw_value":"7.315"}},{"period_start":"1991-04-01","period_end":"1992-03-31","period_label":"Year ending March 1992","value":23.764,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1991-92","raw_value":"23.764"}},{"period_start":"1992-04-01","period_end":"1993-03-31","period_label":"Year ending March 1993","value":46.347,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1992-93","raw_value":"46.347"}},{"period_start":"1993-04-01","period_end":"1994-03-31","period_label":"Year ending March 1994","value":51.342,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1993-94","raw_value":"51.342"}},{"period_start":"1994-04-01","period_end":"1995-03-31","period_label":"Year ending March 1995","value":43.924,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1994-95","raw_value":"43.924"}},{"period_start":"1995-04-01","period_end":"1996-03-31","period_label":"Year ending March 1996","value":35.535,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1995-96","raw_value":"35.535"}},{"period_start":"1996-04-01","period_end":"1997-03-31","period_label":"Year ending March 1997","value":28.924,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1996-97","raw_value":"28.924"}},{"period_start":"1997-04-01","period_end":"1998-03-31","period_label":"Year ending March 1998","value":10.624,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1997-98","raw_value":"10.624"}},{"period_start":"1998-04-01","period_end":"1999-03-31","period_label":"Year ending March 1999","value":0.123,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1998-99","raw_value":"0.123"}},{"period_start":"1999-04-01","period_end":"2000-03-31","period_label":"Year ending March 2000","value":-11.403,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"1999-00","raw_value":"-11.403"}},{"period_start":"2000-04-01","period_end":"2001-03-31","period_label":"Year ending March 2001","value":-16.294,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"2000-01","raw_value":"-16.294"}},{"period_start":"2001-04-01","period_end":"2002-03-31","period_label":"Year ending March 2002","value":5.636,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"2001-02","raw_value":"5.636"}},{"period_start":"2002-04-01","period_end":"2003-03-31","period_label":"Year ending March 2003","value":35.015,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"2002-03","raw_value":"35.015"}},{"period_start":"2003-04-01","period_end":"2004-03-31","period_label":"Year ending March 2004","value":43.523,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"2003-04","raw_value":"43.523"}},{"period_start":"2004-04-01","period_end":"2005-03-31","period_label":"Year ending March 2005","value":51.662,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"2004-05","raw_value":"51.662"}},{"period_start":"2005-04-01","period_end":"2006-03-31","period_label":"Year ending March 2006","value":45.373,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"2005-06","raw_value":"45.373"}},{"period_start":"2006-04-01","period_end":"2007-03-31","period_label":"Year ending March 2007","value":40.938,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"2006-07","raw_value":"40.938"}},{"period_start":"2007-04-01","period_end":"2008-03-31","period_label":"Year ending March 2008","value":45.054,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn data*","column":"2007-08","raw_value":"45.054"}},{"period_start":"2008-04-01","period_end":"2009-03-31","period_label":"Year ending March 2009","value":116.293,"status":"final","vintage":"2026-03-26","release_label":"Historical official forecasts database, March 2026","source":{"sheet":"£PSNB","table":"£PSNB","row":"Outturn 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