Year	2015 = 100
1980	59.8586185942
1981	59.3608779973
1982	67.6329789813
1983	55.7297130645
1984	46.761678312
1985	59.8794156399
1986	49.9266249601
1987	36.1860541505
1988	42.0754389127
1989	41.1222728852
1990	38.7290304553
1991	35.8263989747
1992	43.013406223
1993	49.186321234
1994	30.469884295
1995	31.3450973019
1996	37.2193445006
1997	31.9960648184
1998	38.3419059781
1999	32.4450390567
2000	32.4940131787
2001	35.0863955583
2002	40.038590007
2003	48.7436812227
2004	53.0693069054
2005	61.7140365598
2006	59.0129578069
2007	65.9591738895
2008	83.0178611067
2009	117.1408168428
2010	126.5731280377
2011	98.3235831694
2012	86.8351806342
2013	93.4100637451
2014	103.1118161096
2015	100
2016	87.3434360663
2017	97.2126504544
2018	109.0711892069
2019	112.381579123
2020	111.3686911464
2021	110.7195630867
