Year	%
2002	5.74
2003	5.53
2004	6.95
2005	4.22
2006	4.16
2007	3.35
2008	3.92
2009	4.59
2010	5.31
2011	5.31
2012	3.61
2013	3.2
2014	2.22
2015	2.03
2016	2.03
2017	8.01
2018	6.78
2019	5.62
2020	2.69
2021	2.91