Year	Percent
1995	72.87878
1996	73.0153
1997	87.05334
1999	93.50908
2000	94.89963
2001	98.65299
2002	96.44999
2003	99.20708
2004	93.64796
2005	90.47358
2006	91.03118
2007	90.89754
2008	91.44071
2009	92.01245
2010	99.17519
2011	103.55191
2012	107.54187
2013	108.67478
2014	101.63071
2015	100.24136