Year	%
1993	55.71
1997	18.26
2000	26.41
2001	26.24
2002	25.86
2003	24.68
2005	21.85
2006	19.48
2007	18.46
2008	16.53
2009	14.04
2010	12.78
2011	10.54
2012	9.65
2014	9.8
2015	9.82
2016	10.34
2017	9.88
2019	9.87
2020	9.87
2021	13.32