| Value | Category | Cases | |
|---|---|---|---|
| 11 | 15 |
0.8%
|
|
| 12 | 102 |
5.1%
|
|
| 21 | 63 |
3.2%
|
|
| 22 | 1816 |
91%
|
|
| Sysmiss | 3 |