Year	%
2001	5.07
2006	8.88
2007	6.36
2008	5.96
2009	3.65
2010	3.04
2011	2.56
2012	2.42
2013	2.39
2014	2.58
2015	1.22
2016	1.23
2017	2.53
2018	2.76
2019	17.89
2020	2.86
2021	2.8