1975 |
79%
|
1986 |
84%
|
2010 |
70%
|
1977 |
76%
|
2010 |
79%
|
2006 |
50%
|
2010 |
66%
|
1996 |
67%
|
2008 |
63%
|
2018 |
61%
|
2007 |
70%
|
1977 |
63%
|
2004 |
60%
|
2011 |
76%
|
2001 |
53%
|
1999 |
55%
|
2020 |
67%
|
2023 |
60%
|
2009 |
76%
|
2010 |
80%
|