Year	%
1994	22.31
1996	17.75
1997	20.77
1998	12.74
2000	12.39
2001	9.88
2003	11.13
2006	8.11
2008	5.96
2009	8.44
2010	6.41
2011	6.08
2012	5.73
2013	3.8
2014	4.25
2015	4.24
2016	4.77
2019	4.24
2020	6.18
2021	5.95