2002 |
72%
|
1990 |
88%
|
2017 |
68%
|
2016 |
68%
|
2021 |
62%
|
2017 |
62%
|
2019 |
62%
|
2016 |
62%
|
2018 |
62%
|
1996 |
64%
|
2003 |
77%
|
1992 |
72%
|
1989 |
61%
|
1992 |
47%
|
1987 |
57%
|