Year	%
1994	28.63
1996	21.58
1997	24.66
1998	15.96
2000	15.21
2001	12.26
2003	15.67
2006	12.77
2008	12.73
2009	14.56
2010	13.41
2011	14.04
2012	13.92
2013	8.94
2014	8.97
2015	8.97
2016	10.16
2019	8.81
2020	11.61
2021	11.71