| 2006 |
62%
|
| 1964 |
78%
|
| 2014 |
62%
|
| 2018 |
67%
|
| 1968 |
69%
|
| 1999 |
67%
|
| 2017 |
76%
|
| 1959 |
85%
|
| 1987 |
53%
|
| 2016 |
12%
|
