Year	%
1995	22.88
1996	18.13
1997	19.12
1998	26.91
1999	20.53
2000	12.45
2001	12.74
2002	14.45
2004	13.7
2005	4.27
2006	1.81
2007	2.52
2008	2.73
2009	1.73
2010	1.76
2011	1.37
2012	1.44
2013	1.59
2014	1.02
2015	0.95
2016	1.07
2017	0.91
2018	0.92
2019	0.99
2020	0.9
2021	0.86