| 1990 |
73%
|
| 1987 |
78%
|
| 1984 |
74%
|
| 1996 |
62%
|
| 1985 |
75%
|
| 1992 |
54%
|
| 1994 |
80%
|
| 2002 |
85%
|
| 2004 |
85%
|
| 1983 |
71%
|
| 2006 |
78%
|
| 2007 |
60%
|
| 1989 |
62%
|
| 1992 |
43%
|
| 1973 |
65%
|
