Year	2015 = 100
1980	66.8077685541
1981	58.8633240952
1982	55.3256341243
1983	49.1237387067
1984	46.415785115
1985	42.7905988603
1986	26.218924941
1987	27.7354518902
1988	24.9014690141
1989	27.4601361263
1990	32.2708572574
1991	39.1100041438
1992	35.0123489768
1993	31.6000667334
1994	32.2271100524
1995	37.8109208529
1996	39.0544940183
1997	38.8341139626
1998	32.3958680737
1999	40.5971544022
2000	61.4356627374
2001	57.2988142776
2002	58.2747830897
2003	69.5928730449
2004	79.6044240983
2005	98.3682116625
2006	120.2031998921
2007	120.7048636089
2008	162.4372428792
2009	113.3418243112
2010	140.2163692039
2011	196.2159800778
2012	204.6516563119
2013	180.1951214219
2014	165.42408341
2015	100
2016	76.74066402
2017	87.6888303194
2018	103.4784621584
2019	110.8052512204
2020	104.02218559
2021	173.7399515623