Year	%
1995	35.93
1996	33.24
1997	33.97
1998	32.14
1999	32.29
2000	23.01
2001	24.56
2002	24.23
2004	23.84
2005	8.38
2006	4.54
2007	4.63
2008	4.59
2009	2.49
2010	2.46
2011	1.98
2012	3.02
2013	3.17
2014	1.91
2015	1.87
2016	1.87
2017	1.23
2018	1.23
2019	1.3
2020	1.15
2021	1.13