| Value | Category | Cases | |
|---|---|---|---|
| 0 | 28 |
2%
|
|
| 1 | 40 |
2.9%
|
|
| 2 | 134 |
9.6%
|
|
| 3 | 431 |
30.9%
|
|
| 4 | 763 |
54.7%
|
|
| Sysmiss | 174 |