2005 |
72%
|
1997 |
71%
|
2013 |
70%
|
2018 |
72%
|
2017 |
79%
|
2019 |
74%
|
1990 |
57%
|
2015 |
70%
|
2002 |
72%
|
2005 |
63%
|