Year	Percent
1995	0.31752
1997	0.33656
1998	0.2129
1999	0.19014
2000	0.13214
2001	0.13291
2002	0.1264
2003	0.22265
2004	16.32191
2005	1.45224
2006	0.42591
2007	2.52562
2008	2.6242
2009	3.08919
2010	2.73715
2011	2.01444
2012	2.446
2013	2.36552
2014	8.09643
2015	4.00332
2016	17.2435