Year	2000 = 100
1980	702
1981	516
1982	540
1983	577
1984	608
1985	603
1986	785
1987	548
1988	682
1989	568
1990	440
1991	446
1992	286
1993	295
1994	413
1995	440
1996	270
1997	264
1998	206
1999	131
2000	100
2001	79.8985387
2002	81.14047123
2003	89.13363794
2004	100.8489717
2005	132.2290486
2006	149.7073782
2007	163.0427191
2008	191.7533089
2009	186.2046747
2010	229.0822685
2011	293.8743832
2012	273.9748625
2013	233.4996671
2014	230.3515554
2015	219.1292575
2016	223.0518781
2017	240.3417739
2018	230.1624664