1960 |
91%
|
1963 |
91%
|
1970 |
79%
|
1964 |
82%
|
1966 |
81%
|
1968 |
81%
|
1959 |
78%
|
2007 |
78%
|
1960 |
78%
|
1968 |
69%
|
1960 |
76%
|