| 1982 |
84%
|
| 2017 |
80%
|
| 2016 |
80%
|
| 2015 |
80%
|
| 1990 |
63%
|
| 1991 |
69%
|
| 1975 |
85%
|
| 1992 |
58%
|
| 1993 |
79%
|
| 1994 |
53%
|
| 2004 |
67%
|
| 1985 |
74%
|
| 1983 |
57%
|
