| 1988 |
76%
|
| 2015 |
56%
|
| 1971 |
63%
|
| 1972 |
61%
|
| 1960 |
85%
|
| 1966 |
79%
|
| 1966 |
81%
|
| 2000 |
67%
|
| 1972 |
69%
|
| 1974 |
46%
|
| 1997 |
58%
|
