| 1987 |
77%
|
| 2009 |
60%
|
| 1984 |
72%
|
| 1986 |
68%
|
| 1974 |
69%
|
| 1993 |
75%
|
| 1998 |
57%
|
| 2006 |
63%
|
| 1993 |
39%
|
| 2015 |
72%
|
| 1977 |
60%
|
| 1992 |
64%
|
| 1973 |
63%
|
| 1991 |
53%
|
