Year	2000 = 100
1980	41.71373871
1981	37.30558061
1982	21.12189681
1983	17.81696492
1984	18.13578899
1985	15.08757773
1986	18.68799544
1987	23.017832
1988	21.04990427
1989	16.63106596
1990	16.12909606
1991	32.11040965
1992	58.82699641
1993	66.38937675
1994	85.40292084
1995	79.99396517
1996	94.46532957
1997	121.055037
1998	124.7410352
1999	101.407955
2000	100
2001	80.78238054
2002	35.73984257
2003	54.99721714
2004	89.2311362
2005	114.0522382
2006	135.7716467
2007	177.7291882
2008	228.439612
2009	154.1933688
2010	225.7792001
2011	295.4571837
2012	270.2321698
2013	295.9441838
2014	261.3302059
2015	239.3456309
2016	222.0402322
2017	266.0809414
2018	260.1693568