Year	%
2001	0.33
2002	5.73
2004	4.86
2005	6.19
2006	4.07
2007	5.19
2008	3.55
2009	2.7
2010	5.88
2011	2.79
2012	2.85
2013	0.16
2014	0.14
2015	0.28
2016	0.51
2017	0.15
2018	0.24
2019	1.24
2020	0.86
2021	0.57