Year	2015 = 100
1980	25.5312689298
1981	41.9420630088
1982	39.7421438881
1983	48.1976677195
1984	53.3568248388
1985	56.0913185312
1986	61.6590491217
1987	73.4830135152
1988	81.5975120511
1989	64.0433530106
1990	53.7610223004
1991	27.8307093693
1992	27.3334525833
1993	26.6378883091
1994	33.5525244882
1995	34.4557641951
1996	36.5139156863
1997	34.0290275684
1998	40.4038925901
1999	42.1293578303
2000	36.7997844787
2001	34.3597211589
2002	32.6625407997
2003	30.5883928764
2004	34.5355479016
2005	44.8230172675
2006	51.1102842183
2007	62.640220689
2008	71.1556553792
2009	72.5233382844
2010	79.0767247903
2011	76.3870956655
2012	92.219370232
2013	89.696638213
2014	91.6544031968
2015	100
2016	92.3604016524
2017	96.199293272
2018	105.0696230597
2019	105.6901516239
2020	88.8455670214
2021	103.0485767985