Year	Percent
2000	2.09
2001	2.38
2002	7.31
2003	3.84
2004	4.93
2005	2.7
2006	1.81
2007	2.32
2008	3.08
2009	7.38
2010	6.75
2011	2.07
2012	2.3
2013	3.11
2014	2.14
2015	5.06
2016	3.99
2017	4.75
2018	2.11
2019	3.21
2020	4.49