| 1971 |
54%
|
| 1982 |
27%
|
| 1980 |
35%
|
| 1983 |
36%
|
| 1982 |
41%
|
| 1983 |
34%
|
| 1997 |
38%
|
| 2002 |
29%
|
| 1980 |
47%
|
| 1998 |
28%
|
| 2002 |
34%
|
| 1999 |
32%
|
| 1980 |
52%
|
| 1981 |
59%
|
