1987 |
72%
|
1988 |
64%
|
1992 |
56%
|
2002 |
49%
|
2008 |
73%
|
2021 |
70%
|
2020 |
81%
|
2020 |
94%
|
1994 |
42%
|
2001 |
58%
|