Year	%
1994	26.61
1996	18.14
1997	21.16
1998	14.9
2000	13.07
2001	10.27
2003	11.09
2006	8.92
2008	6.05
2009	8.2
2010	6.56
2011	6.08
2012	5.74
2013	4.22
2014	4.77
2015	4.75
2016	4.99
2019	3.48
2020	5.69
2021	5.12