1995 |
83%
|
2010 |
83%
|
1999 |
79%
|
2019 |
77%
|
2018 |
70%
|
1994 |
60%
|
2002 |
57%
|
2006 |
48%
|
2008 |
67%
|
2013 |
75%
|
2014 |
71%
|
1997 |
58%
|
2000 |
62%
|
1997 |
52%
|