| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 |
2.8%
|
|
| 2 | 1 |
1.4%
|
|
| 3 | 1 |
1.4%
|
|
| 4 | 68 |
94.4%
|
|
| Sysmiss | 927 |