Year	2015 = 100
1980	192.8796665016
1981	137.0757319287
1982	123.1049409748
1983	108.6411667737
1984	98.1388645292
1985	108.4034784527
1986	67.882022284
1987	70.3029217944
1988	58.744227037
1989	70.7254787995
1990	116.4232582475
1991	98.8959458263
1992	95.0137033473
1993	75.2151469789
1994	69.2377260125
1995	78.7833567462
1996	86.9294241612
1997	84.7612359588
1998	52.9494382031
1999	69.8823735973
2000	111.7047050609
2001	96.6818820319
2002	86.0516151668
2003	128.5726825381
2004	179.1608145628
2005	275.2633426665
2006	353.4097173286
2007	412.3068820812
2008	545.1193820471
2009	324.3578915218
2010	427.2527124634
2011	167.3103932723
2012	535.6917134927
2013	403.9501404972
2014	182.8125000162
2015	100
2016	59.3750000038
2017	165.5986657823
2018	261.8504213185
2019	243.4427668423
2020	64.5540730396
2021	254.441713545