Year	Percent
1999	92.57028
2000	96.38736
2001	105.92925
2002	103.89027
2003	106.9965
2004	95.13297
2005	92.49112
2006	90.64116
2007	92.33193
2008	95.63598
2009	97.68693
2010	98.22006
2011	99.08798