| 1997 |
89%
|
| 2012 |
79%
|
| 2013 |
83%
|
| 2014 |
85%
|
| 2014 |
83%
|
| 2015 |
70%
|
| 2017 |
59%
|
| 2007 |
60%
|
| 1999 |
68%
|
| 1998 |
68%
|
