1997 |
71%
|
2016 |
66%
|
2017 |
76%
|
2014 |
72%
|
2020 |
77%
|
2015 |
66%
|
2016 |
69%
|
2018 |
73%
|
2019 |
67%
|
2007 |
74%
|
2010 |
77%
|
2023 |
61%
|