Year	2015 = 100
1980	35.4845484577
1981	39.321932199
1982	38.8358835913
1983	19.2589258931
1984	23.3243324381
1985	24.320432049
1986	25.5145514581
1987	28.9798979936
1988	38.1818181858
1989	23.4113411394
1990	22.0072007221
1991	33.44434444
1992	42.20222023
1993	37.5367536804
1994	27.5637563809
1995	37.950795087
1996	29.6429642992
1997	43.8223822459
1998	47.4557455792
1999	42.1962196299
2000	48.6438643931
2001	54.9744974447
2002	38.8928892922
2003	27.7707770793
2004	50.0429043019
2005	72.089108944
2006	100.8580858428
2007	138.3036304047
2008	151.3651365216
2009	124.6324632442
2010	117.0117011721
2011	144.0144014538
2012	154.0084008683
2013	145.0605610639
2014	129.5200270256
2015	100
2016	46.6246624709
2017	31.7131713223
2018	35.133513357
2019	17.6117611768
2020	19.7719772013
2021	23.3123312379