| 1999 |
92%
|
| 2015 |
80%
|
| 2018 |
75%
|
| 2017 |
78%
|
| 2009 |
78%
|
| 2011 |
78%
|
| 2010 |
78%
|
| 2012 |
78%
|
| 2015 |
78%
|
| 2007 |
68%
|
| 2018 |
43%
|
