| Value | Category | Cases | |
|---|---|---|---|
| 4 | 1 |
0.1%
|
|
| 5 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 2 |
0.2%
|
|
| 2012 | 9 |
0.8%
|
|
| 2013 | 1066 |
98.7%
|
|
| Sysmiss | 3277 |