Year	%
1995	34.7
1996	31.93
1997	32.71
1998	31.08
1999	31
2000	22.4
2001	24.08
2002	23.65
2004	23.27
2005	8.46
2006	4.74
2007	4.82
2008	4.79
2009	2.33
2010	2.3
2011	1.8
2012	2.76
2013	2.9
2014	1.78
2015	1.76
2016	1.76
2017	1.25
2018	1.21
2019	1.3
2020	1.18
2021	1.16