Year	Percent
1995	79.87153
1996	84.83127
1997	85.96282
1998	90.81322
1999	89.73059
2000	91.51462
2001	95.05638
2002	99.34688
2003	97.82992
2005	102.65235
2006	102.29538
2007	103.95614
2008	98.00721
2009	93.23791
2010	91.15786
2011	93.20883
2012	92.57564
2013	93.86218
2014	96.18579
2015	100.47557
2016	97.04042
