Year	%
1996	6.44
1997	7.01
2000	5.83
2001	6.01
2002	6.9
2008	5.88
2009	5.7
2010	4.75
2011	3.43
2012	4.19
2013	3.55
2014	3.49
2015	3.15
2016	3.29
2017	3.26
2018	3.18
2019	18.24
2020	3.1
2021	6.8