Year	2000 = 100
1980	21.1029225
1981	21.50982741
1982	23.49069354
1983	22.96318792
1984	23.23104971
1985	22.00621915
1986	22.63080209
1987	26.92828858
1988	26.02194153
1989	30.44802188
1990	35.04186211
1991	35.75120663
1992	39.58451656
1993	45.44755846
1994	51.79167039
1995	66.92208486
1996	75.84097375
1997	70.60393398
1998	73.73772741
1999	83.32738945
2000	100
2001	108.5010192
2002	126.5265908
2003	133.9342968
2004	155.4891182
2005	189.0371529
2006	211.2883198
2007	242.0687267
2008	283.2102519
2009	266.3532423
2010	334.7919187
2011	384.8981312
2012	377.9317846
2013	409.8925126
2014	430.587447
2015	421.1640985
2016	432.6320134
2017	461.0655768
2018	480.8389971