| 1996 |
84%
|
| 1995 |
84%
|
| 1992 |
84%
|
| 1994 |
84%
|
| 1993 |
84%
|
| 1989 |
79%
|
| 1995 |
79%
|
| 1981 |
60%
|
| 1987 |
76%
|
| 2001 |
61%
|
| 1991 |
73%
|
| 2002 |
75%
|
| 1999 |
61%
|
| 1988 |
56%
|
| 1998 |
66%
|
| 1995 |
52%
|
| 1991 |
41%
|
