| Value | Category | Cases | |
|---|---|---|---|
| 11 | 12 |
0.6%
|
|
| 12 | 67 |
3.4%
|
|
| 21 | 44 |
2.2%
|
|
| 22 | 1873 |
93.8%
|
|
| Sysmiss | 3 |