Year	%
1995	29.73
1996	28.54
1997	28.74
1998	28.88
1999	26.44
2000	18.74
2001	19.03
2002	18.45
2004	17.61
2005	6.03
2006	3.49
2007	3.53
2008	3.41
2009	1.31
2010	1.3
2011	1.81
2012	1.57
2013	1.52
2014	1.05
2015	1.04
2016	1.03
2017	0.73
2018	0.73
2019	0.78
2020	0.78
2021	0.79