Year	Percent
1994	9.36759
1995	9.54104
1996	11.58377
1997	17.23319
1998	12.17173
1999	12.11431
2000	9.86837
2001	11.36016
2002	13.068
2003	8.35725
2004	6.33683
2005	6.41691
2006	8.67953
2007	4.23525
2008	6.93738
2009	5.95242
2010	5.64796
2011	4.76083
2012	7.86194
2013	10.6398
2014	6.65692
2015	7.72676
2016	13.17114