Year	2000 = 100
1980	355
1981	307
1982	320
1983	253
1984	172
1985	156
1986	167
1987	154
1988	172
1989	186
1990	225
1991	182
1992	232
1993	225
1994	264
1995	268
1996	250
1997	212
1998	276
1999	111
2000	100
2001	97.81629196
2002	95.33427003
2003	100.1164679
2004	112.9714289
2005	133.1619195
2006	165.2051685
2007	184.2081954
2008	241.4351985
2009	168.6041631
2010	225.3985388
2011	259.3136153
2012	238.5672977
2013	228.0003244
2014	214.8088821
2015	173.4249229
2016	169.0044661
2017	206.3782525
2018	217.7859089