Year	2000 = 100
1980	66.87468226
1981	73.15661162
1982	71.3489175
1983	72.770842
1984	69.96314689
1985	85.80047042
1986	110.7693415
1987	121.5101215
1988	126.2108954
1989	116.6666551
1990	107.2651073
1991	84.4731614
1992	76.78084601
1993	78.49007849
1994	91.59547621
1995	45.30854167
1996	41.68208333
1997	47.46145833
1998	72.91666667
1999	75
2000	100
2001	89.58333333
2002	79.71041667
2003	86.8125
2004	65.77916667
2005	57.59375
2006	52.85625
2007	69.60625
2008	63.62083333
2009	60.80833333
2010	52.025
2011	65.2625
2012	72.09166667
2013	76.69791667
2014	76.96821042
2015	67.79583333
2016	62.76458333
2017	62.59583333
2018	66.66666667