Year	Percent
1985	112.0609
1986	77.71661
1987	80.01314
1988	81.23079
1989	63.49468
1990	58.375
1991	71.74424
1992	73.06075
1993	83.7667
1994	60.60681
1995	44.7782
1996	47.98361
1997	46.85419
1998	44.16827
1999	31.37817
2000	33.31614
2001	33.29798
2002	30.82426
2003	42.57455
2004	58.5667
2005	52.63862
2006	52.36196
2007	67.34807
2008	70.48766
2009	83.29785
2010	68.02911
2011	75.18235
2012	77.18025
2013	78.12453
2014	81.64376
2015	89.86683
2016	110.41087