| Value | Category | Cases | |
|---|---|---|---|
| 0 | 133 |
47%
|
|
| 1 | 111 |
39.2%
|
|
| 2 | 28 |
9.9%
|
|
| 3 | 7 |
2.5%
|
|
| 4 | 4 |
1.4%
|
|
| Sysmiss | 70 |