Year	%
2001	6.58
2006	11.04
2007	10.45
2008	9.84
2009	11.01
2010	9.39
2011	8.69
2012	8.6
2013	8.58
2014	8.94
2015	9.56
2016	9.77
2017	9.26
2018	11.46
2019	155.49
2020	11.9
2021	10.84