Year	Percent
2000	1.83257
2001	0.86761
2002	1.38047
2003	2.67312
2004	5.41838
2005	11.51248
2006	6.49924
2007	5.18693
2008	0.91714
2009	1.41742
2010	1.16833
2011	1.60537
2012	5.29446
2013	1.71709
2014	2.68086
2015	0.40406
2016	2.19408