Year	2015 = 100
1980	18.2623269938
1981	19.8309109597
1982	18.8545595998
1983	20.3791836668
1984	22.6148275497
1985	22.8405132899
1986	23.0111317609
1987	24.8377058359
1988	29.8338460719
1989	27.7330531992
1990	32.8003840879
1991	34.2286951271
1992	31.4355219886
1993	25.9123237211
1994	46.6488192313
1995	46.5240393879
1996	44.5680172077
1997	49.7269637579
1998	51.04542668
1999	54.0453866814
2000	57.2807639206
2001	58.3306449418
2002	61.0351986554
2003	58.4934288536
2004	60.1205941202
2005	67.3105279622
2006	72.9385631564
2007	79.0976925909
2008	76.0489835032
2009	64.2238036936
2010	75.7521213617
2011	79.1641607311
2012	81.499975656
2013	84.5459069703
2014	93.39781537
2015	100
2016	104.5523948416
2017	113.6922785587
2018	121.9776627899
2019	129.2428670497
2020	118.1561192296
2021	140.4362590505