Year	%
2001	5.27
2006	11.04
2007	6.45
2008	5.68
2009	5.56
2010	4.1
2011	3.33
2012	3.05
2013	3.03
2014	3.35
2015	0.88
2016	0.89
2017	3.68
2018	4.34
2019	54.5
2020	4.77
2021	4.33