| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 341 |
15.9%
|
| 2 | 1 | 604 |
28.1%
|
| 3 | 2 | 469 |
21.8%
|
| 4 | 3 or more | 736 |
34.2%
|
| Sysmiss | 268 |