Year	2015 = 100
1980	199.053902007
1981	422.9737531591
1982	509.734162837
1983	415.0309243606
1984	238.6947052314
1985	449.5069796133
1986	453.7178815104
1987	227.576808203
1988	387.7849779112
1989	349.062681852
1990	289.8663948393
1991	449.6683437549
1992	381.9882628337
1993	450.3992509863
1994	309.3317551218
1995	100.1290861058
1996	57.5711446719
1997	59.9868920236
1998	66.8310073044
1999	98.1838470164
2000	169.6254078256
2001	342.4050637193
2002	401.2722265532
2003	473.0583730668
2004	346.6424427856
2005	228.0090719237
2006	168.7715804059
2007	196.2767519148
2008	79.0118236325
2009	180.2693553501
2010	210.8932605063
2011	187.6089787269
2012	138.1758940308
2013	148.7066513518
2014	159.8484583196
2015	100
2016	202.6581883333
2017	321.8418104481
2018	440.725419327
2019	455.6143081577
2020	243.7373866886
2021	302.7992918734