1988 |
70%
|
1991 |
69%
|
1991 |
73%
|
1988 |
63%
|
2011 |
83%
|
2003 |
86%
|
2007 |
78%
|
1994 |
60%
|
1991 |
54%
|
2018 |
72%
|
1991 |
53%
|
1989 |
66%
|
1991 |
60%
|
1987 |
52%
|
1987 |
44%
|
1989 |
--
|
1989 |
--
|
1989 |
--
|
1988 |
--
|