| 1983 |
75%
|
| 1982 |
67%
|
| 2004 |
15%
|
| 1999 |
26%
|
| 1981 |
65%
|
| 1980 |
52%
|
| 1987 |
53%
|
| 1991 |
58%
|
| 1983 |
56%
|
| 1988 |
52%
|
| 1986 |
34%
|
| 1990 |
46%
|
| 1991 |
41%
|
| 1994 |
56%
|
| 1990 |
37%
|
