Year	2000 = 100
1980	58.35317074
1981	58.02581714
1982	51.38582386
1983	54.69674287
1984	52.56045158
1985	58.87930576
1986	51.58100428
1987	59.12018497
1988	78.21271816
1989	76.80097847
1990	84.81138346
1991	74.57018392
1992	77.43793009
1993	77.61082234
1994	74.40630046
1995	84.20796925
1996	100.3792061
1997	92.70671877
1998	100.972772
1999	83.53958154
2000	100
2001	126.1618076
2002	142.3078318
2003	144.0962838
2004	162.6443843
2005	166.1365185
2006	166.9793574
2007	174.309092
2008	172.9760807
2009	144.8367921
2010	166.34767
2011	170.8264305
2012	205.0553542
2013	210.2292841
2014	217.8491743
2015	258.4307003
2016	249.864432
2017	261.8481161
2018	277.9060099