Year	2015 = 100
1985	0.7924727011
1986	1.3764445127
1987	1.1694302037
1988	1.1167744088
1989	1.4487945463
1990	1.0393582543
1991	1.127750459
1992	0.9158736056
1993	1.1161040139
1994	1.2237062717
1995	3.5032108279
1996	6.9266909064
1997	6.9553395247
1998	8.9156095151
1999	16.7343459351
2000	17.7580941569
2001	32.6612098913
2002	20.2598307902
2003	35.0648608813
2004	38.485682559
2005	42.8760823973
2006	62.8093814365
2007	79.8971527511
2008	99.7285021455
2009	197.171967603
2010	166.5829402716
2011	175.6555825054
2012	189.4891487216
2013	159.7584031641
2014	156.1528828343
2015	100
2016	68.0840342437
2017	81.5784155873
2018	85.9440173304
2019	64.1257783192
2020	44.1658680124
2021	47.8150304745