| 1989 |
68%
|
| 1992 |
60%
|
| 1994 |
69%
|
| 1984 |
66%
|
| 1990 |
59%
|
| 1999 |
81%
|
| 2001 |
53%
|
| 1988 |
66%
|
| 1987 |
62%
|
| 1992 |
39%
|
| 1994 |
38%
|
| 1972 |
59%
|
| 1973 |
59%
|
| 1985 |
77%
|
| 1979 |
78%
|
| 1981 |
66%
|
| 1977 |
50%
|
| 1972 |
57%
|
| 1976 |
52%
|
| 1982 |
54%
|
| 1990 |
63%
|
