Year	%
1993	99.94261
1994	100
1995	100
1996	99.98633
1999	99.73917
2000	99.80124
2001	99.62512
2002	99.51008
2003	99.45931
2004	99.63642
2005	99.34
2006	99.09832
2007	99.23146
2013	99.36093
2014	99.24637
2015	99.80508
2016	98.97983