Year	2000 = 100
1980	329
1981	366
1982	319
1983	300
1984	306
1985	300
1986	220
1987	205
1988	68
1989	85
1990	110
1991	89
1992	75
1993	73
1994	79
1995	99
1996	104
1997	82
1998	60
1999	75
2000	100
2001	89.36774703
2002	89.66697545
2003	102.6258172
2004	125.2665356
2005	159.3997412
2006	180.3701541
2007	202.3750244
2008	240.6903947
2009	203.4841436
2010	232.7957603
2011	294.0171171
2012	290.7352623
2013	284.3224769
2014	277.4847583
2015	250.9946702
2016	239.0414919
2017	249.3222765
2018	261.6068768
