| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 308 |
14.2%
|
| 2 | 1 | 737 |
34%
|
| 3 | 2 | 610 |
28.1%
|
| 4 | 3 or more | 513 |
23.7%
|
| Sysmiss | 29 |