Year	Percent
1994	1.24
1995	1.4
1996	1.19
1997	0.94
1998	1.59
1999	2.45
2000	2.28
2001	3.27
2002	3.79
2003	3.9
2004	2.88
2005	3.67
2006	2.53
2007	1.8
2008	2
2009	1.84
2010	1.44
2011	1.68
2012	1.73
2013	0.93