| 1987 |
79%
|
| 2009 |
74%
|
| 2016 |
78%
|
| 2006 |
76%
|
| 2006 |
76%
|
| 1989 |
66%
|
| 1990 |
61%
|
| 1991 |
59%
|
| 2009 |
73%
|
| 1992 |
56%
|
| 1993 |
84%
|
| 1987 |
42%
|
