Year	2000 = 100
1980	76.63935371
1981	51.21053566
1982	45.26949193
1983	37.92226385
1984	36.10392891
1985	33.66130266
1986	33.19220694
1987	31.60556258
1988	31.9454289
1989	32.07365575
1990	56.78915556
1991	44.70685778
1992	47.19891002
1993	51.57195692
1994	54.71617152
1995	57.24176717
1996	57.33291648
1997	63.25762168
1998	63.16647237
1999	67.63278859
2000	100
2001	101.8918039
2002	57.12354651
2003	118.8959813
2004	153.1314801
2005	155.5306212
2006	164.401819
2007	240.1936558
2008	344.608655
2009	291.5710586
2010	235.5106713
2011	264.826119
2012	282.0307337
2013	297.1021811
2014	294.176744
2015	254.7471677
2016	270.3316191
2017	334.5416008
2018	367.4218625