Year	2015 = 100
1980	61.6582348523
1981	90.6101228148
1982	67.4037780031
1983	106.7763229032
1984	13.9419597193
1985	16.550988601
1986	12.4941394428
1987	14.1122671159
1988	11.6703206683
1989	16.8248707303
1990	14.03503247
1991	12.2268838448
1992	24.3950503661
1993	44.3288108005
1994	23.2625530717
1995	20.8302565421
1996	23.0335816289
1997	26.6866823993
1998	30.9492816455
1999	42.4634082998
2000	34.1017951435
2001	37.5573099935
2002	32.3587521105
2003	35.4717987177
2004	41.9919527552
2005	49.9810845868
2006	58.6403246727
2007	64.7278816497
2008	71.6671991639
2009	60.7582858185
2010	78.3530055359
2011	99.5102019865
2012	112.428264572
2013	114.6342956158
2014	96.8796042752
2015	100
2016	98.7893146927
2017	94.2488091145
2018	93.5671651436
2019	97.2628989723
2020	87.5111430173
2021	84.8147693543