Year	%
1995	7.23
1997	7.8
2002	7.66
2006	4.84
2007	5.38
2008	4.96
2009	4.01
2010	4.31
2011	4
2012	4.03
2013	4.56
2014	4.14
2015	3.95
2016	4.32
2017	2.39
2018	2.12
2019	1.91
2020	2.02
2021	2.03