Year	%
1993	45.44
1997	17.31
2000	25.42
2001	24.8
2002	24.49
2003	24.88
2005	13.54
2006	10.82
2007	10.04
2008	8.85
2009	7.62
2010	13.01
2011	11.71
2012	4.11
2014	3.02
2015	3.42
2016	3.78
2017	3.86
2019	3.6
2020	3.61
2021	4.23