| 1997 |
57%
|
| 1990 |
80%
|
| 1984 |
72%
|
| 1990 |
64%
|
| 1998 |
54%
|
| 2003 |
58%
|
| 1988 |
46%
|
| 1986 |
74%
|
| 2006 |
56%
|
| 1996 |
67%
|
| 1974 |
73%
|
| 1977 |
75%
|
| 1987 |
62%
|
| 2014 |
54%
|
| 1981 |
71%
|
| 1984 |
37%
|
| 2018 |
50%
|
| 1977 |
60%
|
