| 1995 |
82%
|
| 1998 |
68%
|
| 1985 |
75%
|
| 2006 |
67%
|
| 1993 |
56%
|
| 1979 |
70%
|
| 1979 |
71%
|
| 1981 |
71%
|
| 1979 |
65%
|
| 1977 |
65%
|
| 1976 |
65%
|
| 1983 |
63%
|
| 1982 |
71%
|
| 1982 |
56%
|
| 1971 |
55%
|
| 1960 |
76%
|
| 1980 |
53%
|
| 1975 |
58%
|
