Year	%
1993	2.39
1999	14.69
2000	5.38
2001	5.91
2002	5.72
2003	5.2
2004	3.37
2005	3.5
2006	3.46
2007	2.99
2008	3.31
2009	3.61
2011	4.41
2012	3.57
2013	3.62
2014	3.42
2015	4.96
2016	5.53
2017	6.1
2021	6.32