Year	%
2002	1.2
2003	4.12
2004	4.12
2005	4.77
2006	3.92
2007	3.13
2008	3.23
2009	2.9
2010	4.02
2011	4.02
2012	3.67
2013	5.38
2014	3.31
2015	3.21
2016	3.22
2017	3.42
2018	3.58
2019	3.55
2020	3.14
2021	3.44