| 1984 |
67%
|
| 2009 |
56%
|
| 1988 |
77%
|
| 2001 |
73%
|
| 1982 |
57%
|
| 1988 |
77%
|
| 1992 |
76%
|
| 2006 |
49%
|
| 1987 |
68%
|
| 1986 |
45%
|
