Year	%
2003	9.9
2004	10.48
2006	8.2
2007	7.97
2008	8.83
2009	11.56
2010	10.07
2011	24.92
2012	10.58
2013	11.2
2015	9.33
2017	25.65
2018	26.91
2019	59.59
2020	36.12
2021	17.59