Year	%
2002	2.37
2003	4.27
2004	4.27
2005	5.64
2006	5.64
2007	4.23
2008	5.49
2009	5.4
2010	4.22
2011	4.22
2012	7.76
2013	7.76
2014	4.82
2015	5.05
2016	5.06
2017	6.5
2018	6.15
2019	6.12
2020	5.84
2021	5.9