Year	2000 = 100
1980	30.70502237
1981	31.29526045
1982	30.47900918
1983	32.19900099
1984	36.93742459
1985	43.67460935
1986	48.43730308
1987	39.52649401
1988	54.27095375
1989	51.93298002
1990	57.39157279
1991	65.77369145
1992	75.36465049
1993	75.56464646
1994	90.16023924
1995	100.4933441
1996	105.8085776
1997	112.4829734
1998	105.323565
1999	108.8531534
2000	100
2001	103.3748683
2002	108.9135754
2003	123.8033594
2004	143.8489438
2005	159.0454115
2006	175.9404839
2007	177.8690766
2008	184.2826176
2009	176.5946827
2010	181.4122369
2011	223.0867862
2012	234.6962745
2013	236.9803947
2014	240.424568
2015	173.8933377
2016	158.8816752
2017	177.2514561
2018	175.2206242