Year	2015 = 100
1980	37.2339429787
1981	47.0911053244
1982	35.7931775461
1983	27.5333855832
1984	21.0141456825
1985	19.8888273296
1986	9.5618501664
1987	9.9891579296
1988	12.3785018645
1989	9.3672125986
1990	12.5887999254
1991	20.1035998193
1992	18.512941068
1993	12.3874507182
1994	14.7946923606
1995	18.3926174497
1996	14.4035794187
1997	21.2557046989
1998	20.6071588429
1999	19.2120805354
2000	19.5107382542
2001	25.91946309
2002	16.8836689034
2003	24.2796420623
2004	31.6868008914
2005	46.4295301974
2006	59.3345436136
2007	77.9201275149
2008	111.7464071489
2009	75.8529798592
2010	98.9603333198
2011	125.2796420459
2012	114.0939597204
2013	125.2796420459
2014	130.4250559254
2015	100
2016	79.4905966674
2017	69.961576434
2018	96.2125280985
2019	123.6178667747
2020	79.9546336665
2021	116.198309847