Year	2000 = 100
1980	248
1981	236
1982	219
1983	196
1984	161
1985	171
1986	108
1987	135
1988	131
1989	130
1990	166
1991	151
1992	148
1993	109
1994	126
1995	143
1996	168
1997	149
1998	105
1999	104
2000	100
2001	89.11695021
2002	90.36144299
2003	103.8254801
2004	130.6996415
2005	177.3970719
2006	211.6500224
2007	237.1100825
2008	321.4709024
2009	217.5812443
2010	275.4065425
2011	362.3485538
2012	362.5555288
2013	352.8092495
2014	335.5580782
2015	207.7728192
2016	191.3864181
2017	228.6613904
2018	272.04002