| 1997 |
73%
|
| 1992 |
90%
|
| 1982 |
69%
|
| 1990 |
59%
|
| 1983 |
75%
|
| 1985 |
75%
|
| 1991 |
80%
|
| 1977 |
84%
|
| 1997 |
56%
|
| 1978 |
70%
|
| 1982 |
71%
|
| 1984 |
71%
|
| 1996 |
72%
|
| 1979 |
75%
|
| 1997 |
81%
|
| 1999 |
81%
|
| 1985 |
71%
|
| 1985 |
74%
|
| 1989 |
51%
|
| 1998 |
68%
|
| 1978 |
45%
|
| 1988 |
50%
|
| 1994 |
54%
|
| 1987 |
67%
|
| 1998 |
27%
|
| 1990 |
52%
|
| 1993 |
33%
|
| 1983 |
62%
|
| 1993 |
54%
|
| 1997 |
46%
|
| 1992 |
52%
|
