Year	%
1995	17.05
1998	14.17
1999	16.68
2000	16.82
2001	16.72
2002	19.89
2003	15.04
2004	10.63
2005	8.76
2006	10.05
2007	8.92
2008	8.02
2009	8.26
2010	9.71
2011	7.71
2012	7.47
2013	8.55
2014	7.43
2015	7.08
2016	6.63
2017	7.41
2018	8.19
2019	10.43