2006 |
69%
|
2011 |
86%
|
2018 |
70%
|
2001 |
49%
|
2000 |
61%
|
1997 |
66%
|
2016 |
68%
|
1999 |
56%
|
2020 |
72%
|
2000 |
43%
|
2006 |
32%
|