Year	2015 = 100
1980	255.4363575072
1981	246.5971564499
1982	214.9224780674
1983	156.2711577703
1984	138.7234258692
1985	104.1926201942
1986	111.3388626109
1987	104.2643873217
1988	77.5528097502
1989	106.1882193509
1990	37.6371022431
1991	36.93703454
1992	35.1232227569
1993	32.2918077223
1994	35.7440758373
1995	42.0819228229
1996	46.242383215
1997	56.3913337989
1998	63.4157075286
1999	59.4752877551
2000	70.1963439544
2001	64.725795542
2002	58.496953293
2003	59.6479350173
2004	64.4888287176
2005	78.2532160243
2006	92.3256601689
2007	100.0778605212
2008	108.2938388521
2009	85.825998663
2010	87.6980366006
2011	100.3960731135
2012	114.6073121368
2013	107.1748815423
2014	113.2092079041
2015	100
2016	89.0859851071
2017	105.2471225892
2018	112.2816520171
2019	101.8686527189
2020	68.5172647385
2021	108.3716994435
