Year	2000 = 100
1980	28.05603714
1981	33.55354192
1982	29.23604135
1983	30.38862244
1984	28.88545481
1985	27.21329272
1986	34.7405133
1987	44.80500016
1988	58.8592469
1989	78.18788684
1990	78.88581937
1991	78.61482874
1992	76.47809391
1993	71.52410966
1994	66.44738974
1995	91.83565593
1996	82.79577126
1997	108.5084094
1998	111.5651129
1999	106.4156655
2000	100
2001	86.92936088
2002	88.65929841
2003	117.635752
2004	155.284863
2005	151.8981259
2006	148.2845747
2007	195.4245074
2008	250.4131187
2009	227.1998558
2010	271.8311389
2011	349.4479097
2012	385.6457472
2013	401.3467973
2014	388.1666349
2015	348.3231831
2016	295.0307063
2017	256.0627027
2018	283.7421729