| 1984 |
67%
|
| 1986 |
54%
|
| 2005 |
67%
|
| 2001 |
71%
|
| 2017 |
55%
|
| 1973 |
62%
|
| 2015 |
56%
|
| 1974 |
38%
|
| 1974 |
44%
|
| 1982 |
58%
|
| 1978 |
54%
|
| 2005 |
63%
|
| 1978 |
58%
|
| 1975 |
46%
|
