Year	2015 = 100
1980	13.4972812345
1981	4.8568109071
1982	8.4890665565
1983	14.2632840861
1984	10.2652856103
1985	28.819823337
1986	16.2056273031
1987	22.1713424649
1988	8.8175958792
1989	19.1961740344
1990	13.7749232827
1991	9.9320815453
1992	9.771930676
1993	9.049254757
1994	9.5769673907
1995	17.1001356257
1996	24.611834481
1997	28.1462405942
1998	21.2972425256
1999	23.5731937322
2000	26.5011069443
2001	24.490339348
2002	26.1720718665
2003	31.1014981255
2004	36.2766469571
2005	34.7436387488
2006	36.858370026
2007	32.5282713729
2008	50.0052699836
2009	55.3780381263
2010	65.2658427113
2011	88.8208352977
2012	71.938800504
2013	100.653320977
2014	116.2227006095
2015	100
2016	91.1214895429
2017	73.1837017957
2018	106.0860420174
2019	88.1476258759
2020	75.306095497
2021	73.0373612786