| Value | Category | Cases | |
|---|---|---|---|
| 11 | 20 |
1%
|
|
| 12 | 144 |
7.2%
|
|
| 21 | 94 |
4.7%
|
|
| 22 | 1738 |
87.1%
|
|
| Sysmiss | 3 |