| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2015 | 10 |
1%
|
| 2 | 2014 | 14 |
1.4%
|
| 3 | 2013 | 12 |
1.2%
|
| 4 | 2012 | 7 |
0.7%
|
| 5 | 2011 | 2 |
0.2%
|
| 6 | 2010 | 2 |
0.2%
|
| 7 | 2009 | 2 |
0.2%
|
| Sysmiss | 962 |
95.2%
|