Year	2000 = 100
1980	241
1981	214
1982	193
1983	168
1984	175
1985	157
1986	170
1987	182
1988	196
1989	198
1990	196
1991	180
1992	153
1993	145
1994	145
1995	149
1996	163
1997	158
1998	109
1999	100
2000	100
2001	96.07291145
2002	94.64251582
2003	105.9835291
2004	123.3489366
2005	128.3438155
2006	155.0233411
2007	189.4241686
2008	188.4463348
2009	189.2822455
2010	224.4658704
2011	255.472103
2012	236.7548868
2013	228.0256603
2014	232.4674707
2015	210.7575751
2016	207.3818245
2017	214.5853508
2018	230.0954159