Year	2000 = 100
1980	28.03025037
1981	27.34351607
1982	30.64129988
1983	24.89206616
1984	26.72062162
1985	22.86971119
1986	26.36038251
1987	27.14606856
1988	26.16931899
1989	34.64177794
1990	61.65287084
1991	66.58997058
1992	64.82525496
1993	77.00908869
1994	97.60382153
1995	139.1014334
1996	141.7560409
1997	150.576077
1998	128.1595122
1999	84.32144983
2000	100
2001	96.53922637
2002	73.97506256
2003	98.55407347
2004	137.0219909
2005	164.3612184
2006	209.8826934
2007	259.2410497
2008	399.6596108
2009	307.0426113
2010	443.9152362
2011	547.1202263
2012	511.2391797
2013	537.2058424
2014	538.3797747
2015	455.3188549
2016	431.4869391
2017	525.3205895
2018	591.4023093