| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 64 |
25%
|
| 2 | 1 | 82 |
32%
|
| 3 | 2 | 82 |
32%
|
| 4 | 3 or more | 28 |
10.9%
|
| Sysmiss | 33 |