Year	%
1993	1.89
1999	13.56
2000	5.38
2001	5.91
2002	5.72
2003	5.2
2004	2.2
2005	2.49
2006	3.02
2007	2.38
2008	2.29
2009	3.61
2011	4.41
2012	2.19
2013	2.9
2014	2.82
2015	4.59
2016	5.12
2017	5.21
2021	6.22