Year	%
1996	22.29
1999	21.91
2000	9.48
2001	9.38
2002	9.64
2003	9.63
2006	9.57
2007	9.56
2008	9.54
2009	9.53
2010	9.96
2011	9.94
2012	14.47
2013	14.46
2014	9.72
2015	9.73
2016	9.75
2017	12.31
2018	12.28
2019	12.25
2020	10.2