Quarter	Average 1990 = 100
1975-03-31	106.5777
1975-06-30	107.9417
1975-09-30	105.6586
1975-12-31	105.5803
1976-03-31	103.3827
1976-06-30	102.9088
1976-09-30	103.1448
1976-12-31	106.8779
1977-03-31	105.544
1977-06-30	105.8608
1977-09-30	104.9338
1977-12-31	103.8082
1978-03-31	104.1489
1978-06-30	104.8924
1978-09-30	102.8763
1978-12-31	105.8397
1979-03-31	107.3459
1979-06-30	106.0785
1979-09-30	106.6426
1979-12-31	110.9536
1980-03-31	110.1328
1980-06-30	107.0148
1980-09-30	105.8871
1980-12-31	99.4587
1981-03-31	93.2304
1981-06-30	89.8889
1981-09-30	89.278
1981-12-31	91.3128
1982-03-31	88.4366
1982-06-30	88.094
1982-09-30	85.9494
1982-12-31	86.8166
1983-03-31	89.1023
1983-06-30	84.9818
1983-09-30	81.4926
1983-12-31	80.3433
1984-03-31	80.1125
1984-06-30	80.7854
1984-09-30	79.0373
1984-12-31	77.991
1985-03-31	77.3404
1985-06-30	76.9624
1985-09-30	78.0346
1985-12-31	80.8781
1986-03-31	85.6885
1986-06-30	85.3171
1986-09-30	88.6888
1986-12-31	92.8077
1987-03-31	95.3729
1987-06-30	93.2946
1987-09-30	93.11
1987-12-31	94.665
1988-03-31	94.0287
1988-06-30	91.7019
1988-09-30	88.8561
1988-12-31	89.9126
1989-03-31	88.7389
1989-06-30	89.2791
1989-09-30	90.4726
1989-12-31	94.7067
1990-03-31	99.1765
1990-06-30	100.2745
1990-09-30	99.6567
1990-12-31	100.9091
1991-03-31	100.5715
1991-06-30	95.4601
1991-09-30	95.4427
1991-12-31	97.9232
1992-03-31	98.5962
1992-06-30	98.8557
1992-09-30	102.8054
1992-12-31	102.4658
1993-03-31	100.4507
1993-06-30	98.3846
1993-09-30	94.696
1993-12-31	94.4303
1994-03-31	92.7444
1994-06-30	94.6678
1994-09-30	97.1
1994-12-31	96.6874
1995-03-31	98.0425
1995-06-30	98.9059
1995-09-30	100.1355
1995-12-31	101.1241
1996-03-31	100.9354
1996-06-30	99.3374
1996-09-30	100.1039
1996-12-31	98.1747
1997-03-31	94.2592
1997-06-30	91.5513
1997-09-30	87.8284
1997-12-31	89.7428
1998-03-31	87.9699
1998-06-30	89.8665
1998-09-30	91.8876
1998-12-31	93.4617
1999-03-31	90.1769
1999-06-30	87.0618
1999-09-30	85.7855
1999-12-31	83.6327
2000-03-31	81.128
2000-06-30	78.7092
2000-09-30	77.8617
2000-12-31	76.239
2001-03-31	79.7651
2001-06-30	77.6354
2001-09-30	78.4398
2001-12-31	78.7488
2002-03-31	78.3646
2002-06-30	79.7702
2002-09-30	81.7427
2002-12-31	82.5743
2003-03-31	86.1469
2003-06-30	89.807
2003-09-30	89.5123
2003-12-31	90.3863
2004-03-31	91.704
2004-06-30	89.7815
2004-09-30	90.5439
2004-12-31	92.9185
2005-03-31	93.3369
2005-06-30	91.5325
2005-09-30	91.054
2005-12-31	90.6095
2006-03-31	91.3066
2006-06-30	92.7429
2006-09-30	93.2365
2006-12-31	93.6989
2007-03-31	94.6845
2007-06-30	96.5238
2007-09-30	96.8624
2007-12-31	99.6526
2008-03-31	101.8397
2008-06-30	105.1314
2008-09-30	104.1301
2008-12-31	98.9516
2009-03-31	100.9308
2009-06-30	102.192
2009-09-30	103.0604
2009-12-31	104.7199
2010-03-31	100.4964
2010-06-30	95.1035
2010-09-30	93.4147
2010-12-31	95.5064
2011-03-31	94.8747
2011-06-30	97.4306
2011-09-30	95.0073
2011-12-31	93.1744
2012-03-31	91.1065
2012-06-30	89.5806
2012-09-30	87.3081
2012-12-31	89.805
2013-03-31	93.8815
2013-06-30	94.5517
2013-09-30	95.5193
2013-12-31	96.5918
2014-03-31	96.8159
2014-06-30	96.3118
2014-09-30	94.4727
2014-12-31	93.4
2015-03-31	87.1683
2015-06-30	85.5838
2015-09-30	86.3613
2015-12-31	85.9767
2016-03-31	87.5286
2016-06-30	87.9652
2016-09-30	89.0403
2016-12-31	89.2459
2017-03-31	88.7026
2017-06-30	90.148
2017-09-30	94.0508
2017-12-31	94.6702
2018-03-31	95.8691
2018-06-30	94.8643
2018-09-30	94.5105
2018-12-31	93.6199
2019-03-31	92.6617
2019-06-30	92.3973
2019-09-30	92.2624
2019-12-31	90.9643
2020-03-31	90.6711
2020-06-30	91.4229
2020-09-30	93.9181
2020-12-31	94.3366
2021-03-31	93.8878
2021-06-30	93.9722
2021-09-30	91.4649
2021-12-31	91.4647
2022-03-31	90.6853
2022-06-30	90.4189
2022-09-30	88.882
2022-12-31	90.5843
2023-03-31	91.0522
2023-06-30	93.2574
2023-09-30	93.5395