Year	Percent
1990	0
1991	0
1992	0
1993	0
1994	0
2006	3.2346
2007	2.8592
2008	2.6077
2009	3.2692
2010	2.9758
2011	2.55
2012	4.0692
2013	2.7854
2014	3.8813
2015	2.7829
2016	2.7414
2017	3.5049