Year	%
1993	97.37824
1994	98.24614
1995	98.799
1996	98.21007
1998	99.35669
1999	99.07096
2000	98.82478
2001	98.4608
2002	97.82532
2003	98.3912
2004	99.56138
2005	98.91402
2006	99.5174
2007	99.4039
2008	98.67555
2014	99.86219