Year	2015 = 100
1980	16.7630701184
1981	14.7654344385
1982	13.1643162749
1983	10.5982347941
1984	12.2094852827
1985	11.7559843404
1986	13.407461653
1987	14.4446994154
1988	16.3940296774
1989	18.7865916782
1990	18.0606166146
1991	17.2710605963
1992	17.2812697103
1993	24.762753764
1994	27.4226352494
1995	31.614945527
1996	33.0990841907
1997	33.3612516556
1998	31.3629691986
1999	29.6510044388
2000	33.8113388598
2001	36.0083955678
2002	36.3035825539
2003	38.2365601952
2004	42.1483144238
2005	47.4962176117
2006	54.0099737675
2007	62.1371422649
2008	65.8953526444
2009	68.1018636113
2010	74.3289070858
2011	76.2623957178
2012	85.0518375938
2013	87.4545088638
2014	99.9929094579
2015	100
2016	91.5865153608
2017	104.0985422991
2018	102.0357736462
2019	106.6384935557
2020	93.0625273475
2021	98.424797379