2011 |
81%
|
1990 |
74%
|
2017 |
80%
|
2015 |
80%
|
2008 |
64%
|
2003 |
71%
|
2021 |
70%
|
2008 |
57%
|
2007 |
67%
|
2006 |
68%
|
2001 |
75%
|
1995 |
66%
|
1995 |
71%
|
2018 |
61%
|
2023 |
56%
|
1994 |
56%
|
1991 |
63%
|
1992 |
63%
|