Year	Percent
2000	43.18848
2001	55.64825
2002	54.2606
2003	54.2997
2004	24.82285
2005	16.27249
2006	10.84666
2007	12.00795
2008	9.73159
2009	15.76878
2010	15.17061
2011	12.27086
2012	12.04345
2013	15.20971
2014	22.67678
2015	32.71239
2016	43.31279