Year	2000 = 100
1980	83.33333
1981	82.6087
1982	92.1875
1983	100
1984	106.77966
1985	96.55172
1986	112.06897
1987	94.3662
1988	94.3662
1989	70.51282
1990	80.95238
1991	72.09302
1992	71.11111
1993	71.59091
1994	77.65957
1995	79.61165
1996	81.5534
1997	84.69388
1998	93.75
1999	88.88889
2000	100
2001	90.53155
2002	86.79639
2003	85.68492
2004	80.77455
2005	73.94404
2006	72.64361
2007	72.51099
2008	69.3197
2009	73.05299
2010	76.15185
2011	77.90774
2012	78.83269
2013	76.85621
2014	83.4777
2015	86.94082
2016	84.5319