| Value | Category | Cases | |
|---|---|---|---|
| 11 | 8 |
0.4%
|
|
| 12 | 58 |
2.9%
|
|
| 21 | 43 |
2.2%
|
|
| 22 | 1887 |
94.5%
|
|
| Sysmiss | 3 |