| Year |
Males |
Females |
|
|
|
| 1986-1987 |
66.29 |
75.00 |
| 1988 |
66.26 |
75.14 |
| 1989 |
65.25 |
75.16 |
| 1990 |
64.21 |
74.58 |
| 1991 |
63.85 |
74.75 |
| 1992 |
63.25 |
74.83 |
| 1993 |
61.61 |
73.84 |
| 1994 |
60.72 |
72.87 |
| 1995 |
60.76 |
73.10 |
| 1996 |
63.94 |
75.62 |
| 1997 |
64.21 |
75.88 |
| 1998 |
64.08 |
75.54 |
| 1999 |
64.89 |
76.20 |
| 2000 |
64.93 |
75.98 |
| 2001 |
65.18 |
76.62 |
| 2002 |
65.44 |
76.83 |
| 2003 |
65.91 |
76.86 |
| 2004 |
76.07 |
78.20 |
| 2005 |
65.60 |
77.39 |
| 2006 |
65.85 |
76.78 |
| 2007 |
65.76 |
76.47 |
| 2008 |
67.19 |
77.90 |
|