1997 |
73%
|
2002 |
63%
|
2004 |
59%
|
2007 |
56%
|
1993 |
76%
|
2010 |
54%
|
2012 |
51%
|
2016 |
55%
|
2019 |
52%
|
2020 |
52%
|
1991 |
51%
|
2019 |
52%
|
2024 |
37%
|