| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 342 |
15.6%
|
| 2 | 1 | 635 |
29%
|
| 3 | 2 | 573 |
26.2%
|
| 4 | 3 or more | 640 |
29.2%
|
| Sysmiss | 67 |