1997 |
67%
|
2006 |
73%
|
1991 |
67%
|
2007 |
70%
|
1983 |
63%
|
2019 |
68%
|
2018 |
68%
|
2023 |
76%
|
1988 |
57%
|
2003 |
60%
|
1985 |
77%
|
1988 |
77%
|
2004 |
59%
|
1991 |
46%
|
2007 |
62%
|