Year	%
2003	13.76
2004	14.96
2006	17.13
2007	17.89
2008	19.12
2009	18.5
2010	18.26
2011	23.04
2012	17.96
2013	18.94
2015	10.87
2017	21
2018	23.01
2019	32.41
2020	22.39
2021	19.26