Year	%
2002	5.87
2004	4.55
2005	5.7
2006	5.7
2008	6.24
2009	6.24
2010	6.04
2011	5.44
2012	5.73
2013	5.18
2014	8.39
2015	7.11
2016	7.11
2018	6.88
2019	5.34
2020	7.3
2021	8.19