Year	%
1996	10.53
1999	9.83
2001	9.89
2002	14.14
2003	13.25
2006	6.46
2007	6.51
2008	6.16
2009	8.9
2010	9.03
2011	6.02
2012	5.99
2013	7.42
2014	7.42
2015	7.36
2016	8.22
2017	7.98
2018	9.64
2019	9.97
2020	36.24
2021	36.89