Year	2000 = 100
1980	82.68045639
1981	66.69841737
1982	167.5190122
1983	151.0706294
1984	151.5904797
1985	123.0119292
1986	115.9125874
1987	163.0860806
1988	185.2863803
1989	180.0192308
1990	74.21002929
1991	72.28932806
1992	53.50160009
1993	105.7048406
1994	78.81231269
1995	76.12792086
1996	180.7435897
1997	117.7736809
1998	76.10685315
1999	110.3489779
2000	100
2001	148.4930971
2002	147.0819291
2003	170.0413176
2004	183.7883365
2005	237.1440204
2006	350.1494202
2007	401.165417
2008	428.0541944
2009	396.7067106
2010	509.6619965
2011	591.62099
2012	639.8784113
2013	826.9612084
2014	916.1310775
2015	819.7448993
2016	749.4071234
2017	548.03612
2018	494.4986437