Year	%
1995	34.72
1998	25.29
1999	28.56
2000	28.57
2001	28.57
2002	58.46
2003	26.86
2004	19.94
2005	19.59
2006	19.64
2007	17.02
2008	16.94
2009	16.87
2010	16.81
2011	16.81
2012	16.81
2013	16.8
2014	16.79
2015	16.77
2016	17.89
2017	19.69
2018	19.68
2019	19.7