Year	2000 = 100
1980	25.45972014
1981	25.9730677
1982	22.57780589
1983	23.49276623
1984	25.75803094
1985	25.33428202
1986	24.6369937
1987	26.19601022
1988	26.5364851
1989	30.60320974
1990	33.27008723
1991	37.04904209
1992	44.75979656
1993	50.39212586
1994	59.25896645
1995	67.29330908
1996	65.15059632
1997	75.5811603
1998	80.08894279
1999	82.77744087
2000	100
2001	101.6171417
2002	104.7907823
2003	116.3129169
2004	127.9347079
2005	135.2334748
2006	154.9019608
2007	178.3020012
2008	198.4556297
2009	148.0776228
2010	170.1233071
2011	201.4251061
2012	207.3600162
2013	217.7471195
2014	212.5366889
2015	208.0733778
2016	198.6211846
2017	213.6951688
2018	239.130382
