Quarter	Average 1990 = 100
1975-03-31	195.2958
1975-06-30	194.8351
1975-09-30	195.2995
1975-12-31	195.4906
1976-03-31	195.7677
1976-06-30	195.5138
1976-09-30	195.2082
1976-12-31	185.0669
1977-03-31	171.0224
1977-06-30	170.9332
1977-09-30	169.3071
1977-12-31	166.0635
1978-03-31	162.4286
1978-06-30	159.138
1978-09-30	152.2312
1978-12-31	149.603
1979-03-31	149.3276
1979-06-30	150.1867
1979-09-30	150.9746
1979-12-31	152.1954
1980-03-31	152.4631
1980-06-30	153.8019
1980-09-30	154.7355
1980-12-31	156.1842
1981-03-31	158.9575
1981-06-30	165.1542
1981-09-30	173.0294
1981-12-31	168.5965
1982-03-31	165.1274
1982-06-30	163.976
1982-09-30	159.6853
1982-12-31	156.6213
1983-03-31	150.9248
1983-06-30	142.5715
1983-09-30	146.8982
1983-12-31	151.1311
1984-03-31	154.699
1984-06-30	150.8086
1984-09-30	148.5477
1984-12-31	153.5377
1985-03-31	142.5158
1985-06-30	122.864
1985-09-30	122.0427
1985-12-31	111.6451
1986-03-31	108.9511
1986-06-30	105.1767
1986-09-30	88.8881
1986-12-31	92.9878
1987-03-31	92.1833
1987-06-30	94.4806
1987-09-30	95.4326
1987-12-31	89.1915
1988-03-31	88.7279
1988-06-30	95.4108
1988-09-30	102.992
1988-12-31	104.3655
1989-03-31	107.5114
1989-06-30	102.8466
1989-09-30	102.3249
1989-12-31	103.6626
1990-03-31	100.7127
1990-06-30	102.2807
1990-09-30	102.5232
1990-12-31	94.6141
1991-03-31	95.4731
1991-06-30	99.4803
1991-09-30	100.9793
1991-12-31	97.889
1992-03-31	94.0155
1992-06-30	94.7257
1992-09-30	87.9935
1992-12-31	87.167
1993-03-31	87.6809
1993-06-30	84.9854
1993-09-30	81.8233
1993-12-31	82.4079
1994-03-31	87.3629
1994-06-30	87.4932
1994-09-30	86.3846
1994-12-31	87.6158
1995-03-31	85.2377
1995-06-30	78.5465
1995-09-30	83.1294
1995-12-31	85.8864
1996-03-31	88.3532
1996-06-30	93.4444
1996-09-30	92.8011
1996-12-31	94.3232
1997-03-31	96.1334
1997-06-30	95.5635
1997-09-30	92.3993
1997-12-31	88.4089
1998-03-31	86.9473
1998-06-30	83.7234
1998-09-30	80.7827
1998-12-31	78.7147
1999-03-31	80.2696
1999-06-30	84.852
1999-09-30	82.987
1999-12-31	80.2663
2000-03-31	80.4261
2000-06-30	76.658
2000-09-30	76.1918
2000-12-31	72.3192
2001-03-31	72.4844
2001-06-30	72.3322
2001-09-30	71.6795
2001-12-31	71.7229
2002-03-31	74.5112
2002-06-30	76.4946
2002-09-30	72.9405
2002-12-31	74.2519
2003-03-31	76.1999
2003-06-30	80.7643
2003-09-30	82.8474
2003-12-31	85.7709
2004-03-31	89.047
2004-06-30	84.92
2004-09-30	83.9455
2004-12-31	86.4541
2005-03-31	87.9681
2005-06-30	88.7734
2005-09-30	89.9053
2005-12-31	90.1252
2006-03-31	89.4578
2006-06-30	88.9187
2006-09-30	89.9835
2006-12-31	91.0216
2007-03-31	92.6524
2007-06-30	97.0499
2007-09-30	97.3558
2007-12-31	99.3308
2008-03-31	98.1395
2008-06-30	101.2671
2008-09-30	98.1653
2008-12-31	76.8883
2009-03-31	76.796
2009-06-30	86.5504
2009-09-30	91.0443
2009-12-31	96.7142
2010-03-31	98.4721
2010-06-30	98.6942
2010-09-30	97.9673
2010-12-31	103.7603
2011-03-31	104.9946
2011-06-30	108.6103
2011-09-30	105.97
2011-12-31	104.0891
2012-03-31	109.4944
2012-06-30	105.8794
2012-09-30	108.5599
2012-12-31	108.3818
2013-03-31	112.7109
2013-06-30	110.4984
2013-09-30	102.0592
2013-12-31	102.5384
2014-03-31	99.4739
2014-06-30	102.8053
2014-09-30	103.5915
2014-12-31	101.3251
2015-03-31	97.3212
2015-06-30	97.2669
2015-09-30	91.7416
2015-12-31	91.237
2016-03-31	90.3442
2016-06-30	90.5941
2016-09-30	91.4003
2016-12-31	93.6597
2017-03-31	96.0904
2017-06-30	93.6015
2017-09-30	96.3995
2017-12-31	94.6634
2018-03-31	93.9042
2018-06-30	91.7747
2018-09-30	90.5552
2018-12-31	89.6311
2019-03-31	88.2352
2019-06-30	87.1678
2019-09-30	85.4583
2019-12-31	85.2543