Year	%
2003	16.23
2004	18.46
2006	21.06
2007	19.89
2008	21.78
2009	19.65
2010	21.3
2011	39.76
2012	21.67
2013	23.68
2015	14.27
2017	27.28
2018	36.05
2019	77.24
2020	34.83
2021	18.51