Year	%
1995	10.59
1996	8.65
1997	9.01
1998	8.67
1999	8.66
2000	7.82
2001	7.92
2002	7.18
2003	7.38
2004	7.09
2005	6.12
2006	5.64
2007	5.99
2008	5.76
2009	6.14
2010	6.05
2011	5.97
2012	6.74
2013	6.2
2014	6.31
2016	8.2
2018	10.78
2019	10.54
2020	11.04
2021	11.14