| Value | Category | Cases | |
|---|---|---|---|
| -5 | Not available | 1 |
1.4%
|
| 1 | 18 |
25%
|
|
| 2 | 51 |
70.8%
|
|
| 3 | 2 |
2.8%
|
|
| Sysmiss | 128 |