Year	2015 = 100
1980	144.7163499601
1981	148.7095086779
1982	150.5490622082
1983	147.2592284422
1984	142.9709102408
1985	143.3209001445
1986	139.3225297533
1987	132.7045372596
1988	131.8788201527
1989	130.0789850611
1990	132.5704922791
1991	128.8153745146
1992	125.2060867136
1993	125.3147159698
1994	120.5254852611
1995	119.0878977658
1996	119.1314240153
1997	119.4588880908
1998	119.0345429936
1999	117.8073827765
2000	114.1259020113
2001	110.6411776678
2002	108.3889198708
2003	100.1492667281
2004	100.049252608
2005	98.5710217176
2006	97.2901956212
2007	96.285212663
2008	95.7973966394
2009	96.6106674379
2010	96.0444434159
2011	93.4425236789
2012	92.4875235975
2013	94.2106489297
2014	93.087750907
2015	100
2016	98.6428630714
2017	96.3180906691
2018	95.0113548317
2019	94.4875491934
2020	91.1967325066
2021	93.6066356304