Year	%
2001	6.59
2003	6.29
2004	6.52
2005	6.74
2006	5.47
2007	6.75
2008	5.61
2009	6.79
2010	6.8
2011	6.84
2012	5.79
2013	5.69
2014	5.66
2015	7.1
2016	5.63
2017	5.27
2019	15.53
2020	5.44
2021	6.6