Year	%
1995	7.11
1996	11.02
1997	8.67
1998	5.79
1999	10.47
2000	3.83
2001	4.18
2002	3.64
2003	3.67
2004	3.98
2005	5.39
2006	4.55
2007	3.86
2008	5.6
2009	2.88
2010	2.57
2011	3.65
2012	3.83
2013	2.13
2014	2.14
2015	2.06
2016	2.39
2017	3.33
2018	1.57
2019	1.82
2020	1.78
2021	1.55