Year	%
1994	1.83
1996	1.72
1998	1.09
2000	1.45
2002	0.66
2004	0.77
2006	0.86
2007	0.86
2008	0.64
2009	0.69
2010	0.6
2011	0.58
2012	0.64
2013	0.63
2014	0.7
2015	0.62
2016	0.56
2017	0.62
2018	0.54
2019	0.54
2020	0.72
2021	0.7