| Value | Category | Cases | |
|---|---|---|---|
| 11 | 2 |
0.1%
|
|
| 12 | 10 |
0.5%
|
|
| 21 | 20 |
1%
|
|
| 22 | 1964 |
98.4%
|
|
| Sysmiss | 3 |