Year	%
1995	8.63
1996	13.88
1997	10.5
1998	7.86
1999	12.11
2000	4.88
2001	6.48
2002	6.29
2003	6.61
2004	7.47
2005	10.45
2006	9.37
2007	7.73
2008	9.17
2009	5.81
2010	5.47
2011	6.58
2012	6.29
2013	5.14
2014	4.95
2015	5.12
2016	4.88
2017	5.22
2018	4.51
2019	4.62
2020	4.68
2021	4.33