Year	%
2001	5.48
2006	8.13
2007	7.22
2008	6.97
2009	3.97
2010	3.56
2011	3.18
2012	3.07
2013	2.96
2014	2.99
2015	2.53
2016	2.61
2017	2.84
2018	2.9
2019	2.83
2020	2.89
2021	3.1