Year	%
2002	4.52
2003	5.81
2004	6.8
2005	6.32
2006	6.32
2007	5.49
2008	6.76
2009	6.67
2010	5.57
2011	5.57
2012	5.14
2013	5.14
2014	4.93
2015	5.17
2016	5.19
2017	6.7
2018	6.34
2019	6.31
2020	6.03
2021	6.07