| 1995 |
83%
|
| 2001 |
81%
|
| 2010 |
83%
|
| 2015 |
81%
|
| 1999 |
79%
|
| 1992 |
80%
|
| 2013 |
73%
|
| 2013 |
72%
|
| 1989 |
76%
|
| 2015 |
64%
|
| 2004 |
66%
|
| 2000 |
74%
|
| 1988 |
77%
|
| 1996 |
66%
|
| 1998 |
48%
|
