Year	%
2002	3.62
2003	4.77
2004	4.77
2005	5.07
2006	5.02
2007	4.58
2008	4.86
2009	4.84
2010	4.58
2011	4.58
2012	5.4
2013	5.4
2014	4.66
2015	4.72
2016	4.73
2017	5.09
2018	5.01
2019	5
2020	4.92
2021	4.94