Year	%
2001	4.98
2006	7.57
2007	6.32
2008	6.14
2009	2.47
2010	2.27
2011	1.96
2012	1.94
2013	1.93
2014	2.11
2015	1.41
2016	1.41
2017	1.96
2018	2.02
2019	2.08
2020	2.08
2021	2.14