Year	2000 = 100
1980	52.25268534
1981	68.83828782
1982	70.47690106
1983	66.03831044
1984	60.56212722
1985	59.4477484
1986	52.90047377
1987	58.89936874
1988	59.42208049
1989	46.23443067
1990	56.56141374
1991	54.55170344
1992	70.79557468
1993	76.97327492
1994	73.56640375
1995	80.42974171
1996	93.37920203
1997	89.2218708
1998	83.27909719
1999	80.84912925
2000	100
2001	105.9562601
2002	110.4155156
2003	124.9244102
2004	177.9235531
2005	228.3506846
2006	251.2033899
2007	297.6012904
2008	369.6863512
2009	309.6722774
2010	338.5457607
2011	411.7715643
2012	451.4019464
2013	468.7442084
2014	498.7806211
2015	445.3796568
2016	420.3549004
2017	445.8863238
2018	439.7444508