Year	%
1995	4.62
1996	7.11
1997	4.85
1998	3.96
1999	7.37
2000	2.34
2001	2.52
2002	2.56
2003	2.54
2004	3.63
2005	5.49
2006	3.86
2007	3.4
2008	3.56
2009	2
2010	1.8
2011	2.36
2012	2.22
2013	1.51
2014	1.85
2015	1.88
2016	2.1
2017	2.07
2018	2.04
2019	1.87
2020	1.86
2021	2.09
