Year	%
1992	11.45411
1996	16.37102
1997	16.37246
1998	16.37246
1999	15.61596
2000	15.47149
2001	12.87845
2002	12.83432
2003	12.38349
2004	21.91464
2005	22.29837
2006	22.60359
2007	21.87402
2008	16.62934
2009	16.74119
2010	24.9826
2011	14.85783
2014	7.324528
2016	7.134755
2017	0
2018	0
2019	0
2020	0
2021	0