Year	%
1993	11.34
1998	16.64
1999	11.95
2000	15.94
2002	14.18
2003	14.19
2004	14.35
2005	14.08
2006	14.99
2007	14.88
2008	22.36
2009	16.02
2010	16.58
2011	17.94
2012	17.29
2013	16
2014	16.22
2015	16.86
2016	18.4
2018	23.78
2019	73.04
2020	18.7
2021	19.37