Year	2015 = 100
1980	628.4087422723
1981	744.42266406
1982	1053.7931218898
1983	908.7757197228
1984	638.0765691556
1985	609.0730887763
1986	531.7304742512
1987	580.0696083971
1988	705.7513567974
1989	773.4261444392
1990	583.0637342816
1991	324.120661265
1992	509.2924152106
1993	409.108592919
1994	308.13394282
1995	263.7543171909
1996	280.0336041378
1997	236.1243349308
1998	190.0868104321
1999	337.5898440431
2000	270.6991505673
2001	130.6823485525
2002	84.0100812143
2003	140.0168020147
2004	121.3478950903
2005	28.0033604138
2006	37.337813876
2007	140.0168020147
2008	1026.7898813873
2009	233.3613366912
2010	466.7226733825
2011	653.4117426272
2012	886.7730794538
2013	457.388219812
2014	209.0917576786
2015	100
2016	168.0201624285
2017	135.3869130882
2018	82.1058526956
2019	177.3546158908
2020	616.0739288865
2021	1110.7999627099