Year	%
2000	4.65
2001	9.13
2002	4.87
2003	7
2004	5.93
2005	5.11
2006	3.92
2007	3.53
2008	3.03
2009	3.75
2010	2.69
2011	2.04
2012	1.53
2013	2.07
2014	2.5
2015	2.49
2016	3.37
2017	2.67
2018	2.34
2019	2.49
2020	0.81
2021	1.02