Year	%
1999	0.09
2000	5.04
2001	6.95
2002	6.98
2003	5.03
2004	5.02
2005	4.29
2006	4.4
2007	5.1
2008	5.1
2009	5.1
2010	5.03
2011	5.03
2013	5.03
2015	4.57
2017	5.52
2018	5.26
2019	5.31
2020	5.3
2021	5.28