1997 |
70%
|
1995 |
84%
|
1993 |
84%
|
2014 |
75%
|
2011 |
75%
|
2012 |
75%
|
2010 |
75%
|
2001 |
77%
|
2020 |
70%
|
1999 |
77%
|
1998 |
77%
|
1988 |
76%
|
1995 |
76%
|
1994 |
55%
|
2001 |
46%
|
2001 |
46%
|
2001 |
46%
|
2001 |
46%
|