2006 |
75%
|
2013 |
64%
|
2017 |
65%
|
2021 |
75%
|
1989 |
67%
|
2001 |
67%
|
1998 |
72%
|
2020 |
67%
|
1999 |
56%
|
2003 |
54%
|
1991 |
52%
|
1997 |
50%
|