| Value | Category | Cases | |
|---|---|---|---|
| 0 | 34 |
4%
|
|
| 1 | 515 |
60.8%
|
|
| 2 | 263 |
31.1%
|
|
| 3 | 33 |
3.9%
|
|
| 4 | 2 |
0.2%
|
|
| Sysmiss | 467 |