Year	2000 = 100
1980	49.261576
1981	44.12559264
1982	39.68639691
1983	32.87198055
1984	33.66123339
1985	37.0253452
1986	54.05138254
1987	67.81875087
1988	65.28952969
1989	82.63513981
1990	95.4621747
1991	93.4983432
1992	99.31294556
1993	91.78411372
1994	93.50634603
1995	103.0805823
1996	107.3065177
1997	100.7130134
1998	100.9064171
1999	108.8697918
2000	100
2001	100.9298337
2002	109.2774139
2003	167.0600148
2004	177.3946443
2005	192.3195757
2006	229.5518434
2007	304.5694871
2008	350.5013427
2009	279.0802051
2010	359.0989167
2011	400.9081517
2012	351.7578161
2013	347.0811114
2014	360.2522921
2015	291.4925148
2016	259.6499654
2017	272.1924757
2018	304.3148317