| 1999 |
83%
|
| 2007 |
66%
|
| 1992 |
90%
|
| 1977 |
72%
|
| 1983 |
61%
|
| 1999 |
77%
|
| 2001 |
77%
|
| 1986 |
78%
|
| 1996 |
60%
|
| 1993 |
78%
|
| 1998 |
49%
|
