Year	Percent
1995	5.063
1996	5.063
1997	5.063
1998	5.185
1999	6.541
2000	8.98
2001	8.716
2002	12.96
2003	16.73
2004	21.02
2005	19.99
2006	20.03
2007	14.2
2008	14.2
2009	14.2
2010	14.2