Quarter	Sterling, Seasonally adjusted
1977-03-31	100
1977-06-30	102.9
1977-09-30	106.3
1977-12-31	109.9
1978-03-31	114.4
1978-06-30	118.3
1978-09-30	123
1978-12-31	126.7
1979-03-31	131.4
1979-06-30	135.6
1979-09-30	141.4
1979-12-31	145.6
1980-03-31	149.2
1980-06-30	153.8
1980-09-30	157.9
1980-12-31	164.2
1981-03-31	168.7
1981-06-30	173.4
1981-09-30	177.3
1981-12-31	181.5
1982-03-31	184.9
1982-06-30	189.9
1982-09-30	195.9
1982-12-31	202.3
1983-03-31	212.6
1983-06-30	214.4
1983-09-30	219.3
1983-12-31	220.7
1984-03-31	225.8
1984-06-30	233.1
1984-09-30	237.2
1984-12-31	243.7
1985-03-31	250.2
1985-06-30	255.1
1985-09-30	261.3
1985-12-31	268.5
1986-03-31	279.5
1986-06-30	291
1986-09-30	295.7
1986-12-31	301.9
1987-03-31	308.9
1987-06-30	321.9
1987-09-30	330.5
1987-12-31	341.8
1988-03-31	353.2
1988-06-30	363.5
1988-09-30	382.7
1988-12-31	389
1989-03-31	395.7
1989-06-30	403.1
1989-09-30	420.8
1989-12-31	433.1
1990-03-31	440.5
1990-06-30	448.8
1990-09-30	454.3
1990-12-31	460.7
1991-03-31	464.9
1991-06-30	470.1
1991-09-30	475
1991-12-31	477.5
1992-03-31	482.8
1992-06-30	484.6
1992-09-30	485.8
1992-12-31	491.5
1993-03-31	490.6
1993-06-30	495.2
1993-09-30	499.1
1993-12-31	502.5
1994-03-31	507.2
1994-06-30	505.1
1994-09-30	509.6
1994-12-31	511.7
1995-03-31	520
1995-06-30	526.6
1995-09-30	538.3
1995-12-31	544.3
1996-03-31	562.5
1996-06-30	571.1
1996-09-30	576
1996-12-31	581.6
1997-03-31	599.7
1997-06-30	611.3
1997-09-30	624.2
1997-12-31	636.9
1998-03-31	641.5
1998-06-30	654.4
1998-09-30	666
1998-12-31	679.8
1999-03-31	685.2
1999-06-30	706.3
1999-09-30	713.8
1999-12-31	728.3
2000-03-31	726.9
2000-06-30	736.2
2000-09-30	751.7
2000-12-31	762.1
2001-03-31	779.2
2001-06-30	796.3
2001-09-30	813.9
2001-12-31	832.4
2002-03-31	849.6
2002-06-30	869.3
2002-09-30	888.6
2002-12-31	904.6
2003-03-31	927.9
2003-06-30	945.7
2003-09-30	967.1
2003-12-31	993.3
2004-03-31	1010.5
2004-06-30	1032.7
2004-09-30	1055
2004-12-31	1072.9
2005-03-31	1094
2005-06-30	1115.9
2005-09-30	1137
2005-12-31	1157.1
2006-03-31	1176.6
2006-06-30	1194
2006-09-30	1222.3
2006-12-31	1238
2007-03-31	1258.4
2007-06-30	1283.9
2007-09-30	1304.3
2007-12-31	1339.3
2008-03-31	1355.2
2008-06-30	1359.2
2008-09-30	1358.9
2008-12-31	1332.8
2009-03-31	1365.4
2009-06-30	1373.6
2009-09-30	1392.8
2009-12-31	1407.4
2010-03-31	1424.3
2010-06-30	1430.7
2010-09-30	1436.9
2010-12-31	1440.5
2011-03-31	1451.8
2011-06-30	1438.6
2011-09-30	1454.1
2011-12-31	1465.3
2012-03-31	1485.5
2012-06-30	1493.6
2012-09-30	1518
2012-12-31	1552.1
2013-03-31	1581.9
2013-06-30	1618.9
2013-09-30	1656.7
2013-12-31	1690.8
2014-03-31	1734.1
2014-06-30	1770.5
2014-09-30	1784.9
2014-12-31	1808.1
2015-03-31	1830.8
2015-06-30	1859.3
2015-09-30	1881
2015-12-31	1929.5
2016-03-31	1974.5
2016-06-30	2033.7
2016-09-30	2077.2
2016-12-31	2112.8
2017-03-31	2151.1
2017-06-30	2174.8
2017-09-30	2201.8
2017-12-31	2215.1
2018-03-31	2234.6
2018-06-30	2263.7
2018-09-30	2285.6
2018-12-31	2310.9
2019-03-31	2325.5
2019-06-30	2348.2
2019-09-30	2380.1
2019-12-31	2397.3