Year	2015 = 100
1980	0.1857408474
1981	0.1160880295
1982	0.1393056356
1983	0.1741320445
1984	0.2089584532
1985	0.2321760593
1986	0.2437848622
1987	0.2553936651
1988	0.3714816948
1989	0.5107873304
1990	0.9983570547
1991	2.4726750318
1992	3.0763327857
1993	3.2969000419
1994	5.6883134513
1995	10.0088569612
1996	7.5388349505
1997	8.6158113717
1998	9.3650123606
1999	13.2163736935
2000	16.2653260069
2001	17.5543293618
2002	22.5111484582
2003	24.793870227
2004	32.7541307291
2005	36.1899196432
2006	43.2239804335
2007	47.860832168
2008	55.1132148009
2009	49.1219481498
2010	60.2078517611
2011	78.4804073342
2012	91.754890943
2013	78.0328299831
2014	80.1410932809
2015	100
2016	117.8742733016
2017	132.0247601508
2018	148.6728489823
2019	173.5421310348
2020	207.3936890351
2021	203.2431974835