Year	2015 = 100
1980	55.5897827089
1981	55.9316240448
1982	56.7178310446
1983	61.6230754501
1984	69.7927538595
1985	68.2203398185
1986	77.7673746876
1987	64.810607434
1988	64.7678685188
1989	69.4232819188
1990	57.6407786595
1991	31.5336505892
1992	18.6723649175
1993	16.9546782591
1994	20.1080433181
1995	24.1404153558
1996	27.3876216703
1997	34.0700304524
1998	35.8645392045
1999	37.3001462045
2000	41.3868481857
2001	41.3506088144
2002	35.6850883264
2003	39.9338014301
2004	47.9834549585
2005	69.0829128787
2006	87.6576422771
2007	93.0225569133
2008	131.368790632
2009	82.1949012582
2010	98.2379547729
2011	121.7084800008
2012	118.512776101
2013	125.6754295962
2014	111.4048123872
2015	100
2016	87.7592029124
2017	86.922585821
2018	98.1339929141
2019	84.6068150259
2020	61.7823727666
2021	72.5152441378