Year	%
1994	26.61
1996	19.47
1997	21.16
1998	16.59
2000	13.07
2001	11.69
2003	11.09
2006	10.21
2008	7.79
2009	9.75
2010	8.36
2011	8.26
2012	7.12
2013	6.86
2014	7.32
2015	7.3
2016	7.68
2019	7.36
2020	8.15
2021	8.28