| 1980 |
84%
|
| 1971 |
86%
|
| 1987 |
81%
|
| 1968 |
75%
|
| 1964 |
78%
|
| 1999 |
67%
|
| 1960 |
79%
|
| 1962 |
73%
|
| 2005 |
54%
|
