Year	2015 = 100
1980	1.9986043338
1981	2.9361872514
1982	2.9534768512
1983	4.2594668861
1984	4.9318583337
1985	4.5206050861
1986	5.7648038317
1987	6.1413419552
1988	6.206449803
1989	6.399816035
1990	7.7623506732
1991	6.7936709423
1992	6.6059319864
1993	5.4636222662
1994	4.8136311806
1995	9.864864862
1996	8.9729729733
1997	9.027027025
1998	9.6216216204
1999	8.540540541
2000	8.5675675677
2001	18.351351352
2002	44.4864864866
2003	21.3513513546
2004	25.756756755
2005	25.6756756773
2006	36.4864864883
2007	48.6486486454
2008	54.0540540552
2009	54.0540540552
2010	64.8648648663
2011	89.1891892147
2012	75.6756756773
2013	81.0810810785
2014	118.9189188958
2015	100
2016	66.6336247714
2017	50.0321170949
2018	85.7649501597
2019	72.8087687416
2020	71.4994001473
2021	74.1862842481