| Value | Category | Cases | |
|---|---|---|---|
| 11 | 7 |
0.4%
|
|
| 12 | 25 |
1.3%
|
|
| 21 | 31 |
1.6%
|
|
| 22 | 1933 |
96.8%
|
|
| Sysmiss | 3 |