Year	%
1993	13.87269
1999	21.25205
2000	24.63079
2001	24.37993
2002	23.03565
2003	20.80244
2004	8.851441
2005	16.5027
2006	17.71814
2007	16.52459
2008	15.52405
2009	18.95956
2011	17.77821
2012	8.31439
2013	11.21067
2014	10.56968
2015	12.3899
2016	12.00896
2017	11.82731
2021	10.28871