Year	Percent
2002	0.18444
2003	0.83168
2004	0
2005	0.05006
2006	0.31898
2007	0.3018
2008	0.90401
2009	1.4988
2010	0.75857
2011	0.86341
2012	0.60534
2013	0.98865
2014	0.83813
2015	1.38497
2016	0.21732
2017	0.2273