Year	%
1996	9.28
2004	2.71
2008	4.79
2010	8.2
2011	8.16
2012	8.26
2013	8.23
2014	7.74
2015	7.2
2016	6.17
2017	5.95
2018	5.83
2019	7.22
2020	5.35
2021	5.74