Year	Average 1990 = 100
1975-12-31	147.8145
1976-12-31	151.237
1977-12-31	145.1896
1978-12-31	131.5371
1979-12-31	131.2729
1980-12-31	131.843
1981-12-31	130.5377
1982-12-31	117.4656
1983-12-31	104.204
1984-12-31	106.5814
1985-12-31	106.0144
1986-12-31	103.1763
1987-12-31	101.474
1988-12-31	101.6201
1989-12-31	102.3321
1990-12-31	100
1991-12-31	99.8077
1992-12-31	101.1933
1993-12-31	82.5231
1994-12-31	81.501
1995-12-31	80.882
1996-12-31	88.6701
1997-12-31	85.3495
1998-12-31	83.4678
1999-12-31	82.3416
2000-12-31	82.5347
2001-12-31	75.5695
2002-12-31	76.8675
2003-12-31	80.5607
2004-12-31	81.59
2005-12-31	80.1027
2006-12-31	80.7255
2007-12-31	82.1161
2008-12-31	80.9667
2009-12-31	73.404
2010-12-31	79.6046
2011-12-31	84.0169
2012-12-31	85.0505
2013-12-31	87.7399
2014-12-31	83.648
2015-12-31	78.4884
2016-12-31	78.4135
2017-12-31	78.0943
2018-12-31	74.2188
2019-12-31	71.1652