Year	2015 = 100
1980	51.1592893046
1981	35.1865598542
1982	24.0192606801
1983	20.4428053914
1984	23.3741967642
1985	25.863709495
1986	10.0270944525
1987	14.9134043016
1988	13.5621236212
1989	15.5269054578
1990	26.9684061103
1991	24.1928558655
1992	23.4471856481
1993	22.8632745807
1994	22.3286803263
1995	24.5777135057
1996	32.1680888724
1997	30.2836381937
1998	19.6249318466
1999	27.5918787256
2000	41.769368075
2001	35.9346005668
2002	35.7952033916
2003	47.8550505137
2004	76.9293186322
2005	100.4993896777
2006	116.9462650663
2007	132.638304735
2008	171.8040322564
2009	112.9951516741
2010	167.276611104
2011	231.0010343917
2012	228.412229691
2013	180.3302965744
2014	205.3120804518
2015	100
2016	66.3177644758
2017	88.5533943914
2018	120.5717522759
2019	124.5242506569
2020	70.9602196374
2021	93.4606036901