Year	Percent
1996	1.686
1997	1.686
1998	1.736
1999	1.734
2000	2.796
2001	2.81
2002	1.121
2003	3.639
2004	5.706
2005	4.787
2006	3.648
2007	4.853
2008	4.9
2009	8.356
2010	8.415