Year
|
Month
|
Passing %
|
1985
|
March
|
95%
|
1986
|
March
|
90%
|
1987
|
March
|
94%
|
1988
|
March
|
100%
|
1989
|
March
|
100%
|
1990
|
March
|
100%
|
1991
|
March
|
99%
|
1992
|
March
|
97%
|
1993
|
March
|
98%
|
1994
|
March
|
93%
|
1995
|
March
|
97%
|
1996
|
March
|
97%
|
1997
|
March
|
96%
|
1998
|
March
|
99%
|
|
Year
|
Month
|
Passing %
|
1999
|
March
|
100%
|
2000
|
March
|
100%
|
2001
|
March
|
98%
|
2002
|
March
|
100%
|
2003
|
March
|
100%
|
2004
|
March
|
94%
|
2005
|
March
|
98%
|
2006
|
March
|
98%
|
2007
|
March
|
100%
|
2008
|
March
|
99%
|
2009
|
March
|
96%
|
2010
|
March
|
99%
|
2011
|
March
|
99%
|
2012
|
March
|
99%
|
|