Year	Percent
1994	1.65
1995	1.15
1996	1.41
1997	0.74
1998	1.29
1999	1.93
2000	1.39
2001	1.77
2002	1.87
2003	1.98
2004	1.38
2005	1.61
2006	1.26
2007	0.75
2008	0.85
2009	0.69
2010	0.63
2011	0.7
2012	0.75
2013	0.45