Year	%
1993	32.52063
1995	12.78582
1997	23.85668
1998	23.36449
1999	21.62613
2000	26.39662
2001	20.48605
2002	20.64962
2003	19.83646
2004	17.09304
2005	15.42022
2006	13.39479
2007	13.4089
2008	10.62236
2009	1.361917
2010	1.173709
2011	0
2013	0
2014	0
2015	0
2017	0
2018	0
2019	0
2020	0
2021	0