Year	%
1999	0.3
2000	5.42
2001	7.31
2002	7.24
2003	5.3
2004	5.25
2005	5.1
2006	5.09
2007	5.41
2008	5.41
2009	5.41
2010	5.25
2011	5.26
2013	5.24
2015	4.02
2017	7.95
2018	7.46
2019	7.78
2020	7.81
2021	7.48