Year	%
1993	15.54
1997	22.31
1998	21.31
2000	17.86
2003	15.23
2005	12.9
2006	12.53
2007	12.53
2008	13.11
2009	12.98
2010	13.07
2011	12.81
2012	13.22
2013	13.2
2014	13.14
2015	11.92
2016	12.17
2018	12.26
2019	12.15
2020	12.23
2021	12.03