Year	%
1996	8.85
1997	9.5
2000	7.63
2001	7.91
2002	8.8
2008	7.3
2009	7.01
2010	6
2011	5.01
2012	5.68
2013	5.69
2014	4.89
2015	4.29
2016	4.08
2017	4.01
2018	3.98
2019	10.95
2020	4.33
2021	5.48