Year	Percent
1996	1.6759
1997	0.11163
1998	0.0181
1999	13.39215
2000	0.59067
2001	0.36699
2002	0.14234
2003	1.7309
2006	7.78744
2007	0.9955
2008	0.40852
2009	2.52771
2010	1.08928
2011	1.19737
2012	1.87773
2013	2.7367
2014	2.10433
2016	1.97287