Quarter	Average 1990 = 100
1975-03-31	240.2735
1975-06-30	238.5259
1975-09-30	216.2359
1975-12-31	199.2022
1976-03-31	198.7138
1976-06-30	193.1746
1976-09-30	191.7387
1976-12-31	185.8649
1977-03-31	187.0984
1977-06-30	186.4619
1977-09-30	185.668
1977-12-31	184.2967
1978-03-31	183.9685
1978-06-30	179.8342
1978-09-30	175.9677
1978-12-31	175.3603
1979-03-31	177.6261
1979-06-30	180.172
1979-09-30	172.4091
1979-12-31	171.5508
1980-03-31	171.3057
1980-06-30	168.0186
1980-09-30	165.1814
1980-12-31	162.551
1981-03-31	159.9051
1981-06-30	158.0576
1981-09-30	155.0404
1981-12-31	151.447
1982-03-31	150.1414
1982-06-30	148.2949
1982-09-30	148.781
1982-12-31	148.1898
1983-03-31	141.8142
1983-06-30	135.98
1983-09-30	137.2732
1983-12-31	136.8651
1984-03-31	136.6043
1984-06-30	136.0188
1984-09-30	114.3082
1984-12-31	109.236
1985-03-31	108.7935
1985-06-30	107.1776
1985-09-30	117.2143
1985-12-31	118.2013
1986-03-31	105.8998
1986-06-30	107.5025
1986-09-30	96.1818
1986-12-31	97.0796
1987-03-31	100.125
1987-06-30	101.5517
1987-09-30	107.4797
1987-12-31	108.1239
1988-03-31	109.3006
1988-06-30	111.1776
1988-09-30	108.677
1988-12-31	102.2058
1989-03-31	101.5215
1989-06-30	103.1227
1989-09-30	102.5839
1989-12-31	101.9584
1990-03-31	102.2103
1990-06-30	100.5756
1990-09-30	100.643
1990-12-31	96.6057
1991-03-31	96.2957
1991-06-30	98.593
1991-09-30	96.4458
1991-12-31	91.1692
1992-03-31	89.0031
1992-06-30	88.2708
1992-09-30	86.2972
1992-12-31	86.9661
1993-03-31	87.992
1993-06-30	88.2305
1993-09-30	90.4671
1993-12-31	91.7243
1994-03-31	93.6218
1994-06-30	93.4604
1994-09-30	93.895
1994-12-31	96.2105
1995-03-31	97.9474
1995-06-30	98.0848
1995-09-30	100.2206
1995-12-31	100.8801
1996-03-31	105.4455
1996-06-30	107.025
1996-09-30	108.5294
1996-12-31	111.4259
1997-03-31	114.6836
1997-06-30	114.2265
1997-09-30	108.4418
1997-12-31	105.7711
1998-03-31	101.2486
1998-06-30	95.8384
1998-09-30	92.7209
1998-12-31	89.9059
1999-03-31	91.9601
1999-06-30	94.3739
1999-09-30	89.929
1999-12-31	85.6636
2000-03-31	85.1262
2000-06-30	83.9408
2000-09-30	78.8368
2000-12-31	75.2319
2001-03-31	80.4182
2001-06-30	79.4988
2001-09-30	79.8375
2001-12-31	79.3919
2002-03-31	83.188
2002-06-30	87.4478
2002-09-30	85.8704
2002-12-31	90.2412
2003-03-31	96.4521
2003-06-30	97.2571
2003-09-30	99.3149
2003-12-31	100.5424
2004-03-31	105.0292
2004-06-30	100.5987
2004-09-30	104.4655
2004-12-31	107.5427
2005-03-31	109.044
2005-06-30	110.9982
2005-09-30	109.5889
2005-12-31	112.9869
2006-03-31	107.6632
2006-06-30	98.9597
2006-09-30	100.6365
2006-12-31	106.3133
2007-03-31	109.4198
2007-06-30	114.9974
2007-09-30	113.3954
2007-12-31	112.5185
2008-03-31	113.2102
2008-06-30	109.3373
2008-09-30	103.7023
2008-12-31	89.5934
2009-03-31	83.2199
2009-06-30	91.513
2009-09-30	97.6032
2009-12-31	101.8772
2010-03-31	101.1609
2010-06-30	102.7817
2010-09-30	102.0037
2010-12-31	103.5213
2011-03-31	102.2332
2011-06-30	105.643
2011-09-30	108.9875
2011-12-31	103.5927
2012-03-31	109.669
2012-06-30	107.4318
2012-09-30	109.207
2012-12-31	111.21
2013-03-31	117.1304
2013-06-30	119.0023
2013-09-30	116.9701
2013-12-31	120.4955
2014-03-31	123.1681
2014-06-30	125.3602
2014-09-30	124.4826
2014-12-31	122.6794
2015-03-31	124.2245
2015-06-30	121.7935
2015-09-30	110.1732
2015-12-31	113.2555
2016-03-31	111.5461
2016-06-30	112.6143
2016-09-30	116.9009
2016-12-31	119.0549
2017-03-31	120.3823
2017-06-30	117.8121
2017-09-30	118.9615
2017-12-31	114.4463
2018-03-31	116.1546
2018-06-30	114.5492
2018-09-30	111.0931
2018-12-31	112.6995
2019-03-31	113.9287
2019-06-30	111.4353
2019-09-30	109.4551
2019-12-31	108.6728