Year	%
2002	1.09
2003	0.73
2004	0.85
2005	0.78
2006	0.85
2007	0.74
2008	0.58
2009	0.72
2010	0.69
2011	0.84
2012	0.56
2013	0.96
2014	0.72
2015	0.66
2016	0.71