Year	Percent
1995	3.407
1996	4.738
1997	5.437
1998	5.657
1999	7.066
2000	6.896
2001	6.466
2002	8.346
2003	5.15
2004	4.408
2005	4.656
2006	5.203
2007	5.012
2008	5.246
2009	5.12
2010	5.195