Year	%
1993	4.01
1994	8.29
1996	8.96
1997	10.29
2001	12.31
2002	12.24
2005	11.2
2007	10.44
2008	10.17
2009	11.55
2010	12.01
2011	11.01
2012	11.56
2013	10.64
2014	9.89
2015	7.94
2016	7.56
2017	7.2
2018	6.79
2019	21.56
2020	6.56
2021	7.16