Quarter	Sterling (millions), Seasonally adjusted
1977-03-31	100
1977-06-30	103.1
1977-09-30	106.7
1977-12-31	110.6
1978-03-31	115.6
1978-06-30	119.1
1978-09-30	123.8
1978-12-31	127.5
1979-03-31	132
1979-06-30	136
1979-09-30	141.1
1979-12-31	145.3
1980-03-31	148.1
1980-06-30	152.7
1980-09-30	156.3
1980-12-31	162.2
1981-03-31	167.3
1981-06-30	172.3
1981-09-30	176.2
1981-12-31	179.6
1982-03-31	182.8
1982-06-30	187.8
1982-09-30	193.7
1982-12-31	199.1
1983-03-31	208
1983-06-30	211
1983-09-30	215
1983-12-31	220.2
1984-03-31	225.2
1984-06-30	231.8
1984-09-30	236
1984-12-31	242.9
1985-03-31	248.1
1985-06-30	251.6
1985-09-30	258
1985-12-31	265.3
1986-03-31	274
1986-06-30	284.7
1986-09-30	302.5
1986-12-31	307.8
1987-03-31	316.1
1987-06-30	329.1
1987-09-30	337.6
1987-12-31	347.4
1988-03-31	368.6
1988-06-30	381.2
1988-09-30	398.9
1988-12-31	406.2
1989-03-31	414.3
1989-06-30	421.2
1989-09-30	438.5
1989-12-31	451.3
1990-03-31	459.7
1990-06-30	469.4
1990-09-30	474
1990-12-31	479
1991-03-31	482.7
1991-06-30	487.9
1991-09-30	492.7
1991-12-31	495.3
1992-03-31	500.9
1992-06-30	503.1
1992-09-30	506.8
1992-12-31	512
1993-03-31	510.2
1993-06-30	515.4
1993-09-30	519
1993-12-31	524.7
1994-03-31	531.2
1994-06-30	529.5
1994-09-30	534.2
1994-12-31	535.9
1995-03-31	546.4
1995-06-30	552.7
1995-09-30	564.5
1995-12-31	572.6
1996-03-31	592.3
1996-06-30	600.8
1996-09-30	606.7
1996-12-31	614.3
1997-03-31	631.9
1997-06-30	648.7
1997-09-30	661.4
1997-12-31	677.5
1998-03-31	687.2
1998-06-30	701.2
1998-09-30	711.4
1998-12-31	721.5
1999-03-31	731.4
1999-06-30	750.2
1999-09-30	760.5
1999-12-31	775.6
2000-03-31	778.4
2000-06-30	789.6
2000-09-30	807.9
2000-12-31	822.1
2001-03-31	840.7
2001-06-30	862
2001-09-30	880.3
2001-12-31	896.9
2002-03-31	915.7
2002-06-30	933.9
2002-09-30	953.7
2002-12-31	965.4
2003-03-31	987.4
2003-06-30	1005.7
2003-09-30	1032.2
2003-12-31	1060.9
2004-03-31	1080.8
2004-06-30	1110.2
2004-09-30	1129.1
2004-12-31	1147
2005-03-31	1173
2005-06-30	1198.2
2005-09-30	1222.2
2005-12-31	1251.4
2006-03-31	1272.3
2006-06-30	1283.6
2006-09-30	1314.4
2006-12-31	1350.6
2007-03-31	1364.6
2007-06-30	1399.6
2007-09-30	1420.9
2007-12-31	1447.2
2008-03-31	1462.5
2008-06-30	1462
2008-09-30	1484.6
2008-12-31	1459.3
2009-03-31	1511.2
2009-06-30	1513
2009-09-30	1541.5
2009-12-31	1570.5
2010-03-31	1590.8
2010-06-30	1599.3
2010-09-30	1603.3
2010-12-31	1609.6
2011-03-31	1619.9
2011-06-30	1607.9
2011-09-30	1627.5
2011-12-31	1629.5
2012-03-31	1649.8
2012-06-30	1660.2
2012-09-30	1691.7
2012-12-31	1737.7
2013-03-31	1777.5
2013-06-30	1810.7
2013-09-30	1857.9
2013-12-31	1900.6