| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 278 |
14.1%
|
| 2 | 1 | 587 |
29.8%
|
| 3 | 2 | 498 |
25.3%
|
| 4 | 3 or more | 605 |
30.7%
|
| Sysmiss | 16 |