| 1996 |
84%
|
| 1995 |
84%
|
| 1992 |
84%
|
| 1994 |
84%
|
| 1993 |
84%
|
| 1988 |
77%
|
| 1987 |
77%
|
| 1992 |
76%
|
| 1994 |
55%
|
| 1990 |
67%
|
| 2010 |
48%
|
