| 1978 |
82%
|
| 1994 |
67%
|
| 1995 |
52%
|
| 1987 |
62%
|
| 1973 |
56%
|
| 1977 |
70%
|
| 1983 |
74%
|
| 2010 |
74%
|
| 1986 |
74%
|
| 1985 |
74%
|
| 1991 |
52%
|
| 1973 |
63%
|
| 1988 |
49%
|
| 1981 |
67%
|
