Year	2015 = 100
1980	31.2546555032
1981	26.9627398893
1982	34.8214818383
1983	25.9018612338
1984	47.2694271944
1985	45.1771283187
1986	51.0971372167
1987	49.5499742689
1988	58.03700694
1989	64.5327279752
1990	41.8605987173
1991	44.5413942695
1992	51.6935916177
1993	70.3042581823
1994	50.464817928
1995	57.855874903
1996	55.1629971407
1997	75.2554643384
1998	88.1424296398
1999	73.5246410658
2000	78.5963623411
2001	72.5733614143
2002	80.7315088411
2003	81.7761310495
2004	82.295929428
2005	81.9957079077
2006	87.0573753406
2007	81.3528943541
2008	88.442685271
2009	105.4832748257
2010	71.3774140691
2011	109.7860875424
2012	58.4312690786
2013	87.6888519191
2014	76.9117324614
2015	100
2016	102.4987378308
2017	91.8465729999
2018	100.5973469727
2019	54.9769416154
2020	64.6036012468
2021	58.7251689992