Year	2000 = 100
1980	174
1981	165
1982	137
1983	130
1984	126
1985	133
1986	133
1987	156
1988	160
1989	169
1990	174
1991	90
1992	94
1993	88
1994	94
1995	99
1996	104
1997	98
1998	87
1999	89
2000	100
2001	97.09331665
2002	95.78416362
2003	104.3678546
2004	115.1817408
2005	122.8252771
2006	128.8927235
2007	139.8698441
2008	156.2783916
2009	145.8698193
2010	152.2200693
2011	174.1382215
2012	170.6776312
2013	166.5806364
2014	164.8347758
2015	150.2420017
2016	148.7458859
2017	150.5645131
2018	156.3684963