Year	2015 = 100
1980	14.4008058462
1981	13.0519839302
1982	11.46103684
1983	11.0953849912
1984	11.590021345
1985	11.8214611406
1986	10.8327180958
1987	14.2677682636
1988	17.4058385726
1989	17.3608171976
1990	18.5807697508
1991	21.6391833176
1992	25.3515236948
1993	24.112572351
1994	18.7638489927
1995	25.6227771394
1996	27.081455657
1997	26.1228014202
1998	26.082108685
1999	31.137508027
2000	24.3219044644
2001	36.6990301727
2002	35.7211089501
2003	40.5996513691
2004	56.6252543307
2005	64.3973533421
2006	74.2345823578
2007	71.672936094
2008	77.6899579666
2009	62.2099832215
2010	83.6111845647
2011	93.3412847849
2012	93.2357750743
2013	98.9222358273
2014	104.7066506184
2015	100
2016	94.4031280578
2017	96.1163791094
2018	97.9227269445
2019	105.423900784
2020	84.0758590491
2021	99.368021118