| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 214 |
11.9%
|
| 2 | 1 | 587 |
32.8%
|
| 3 | 2 | 537 |
30%
|
| 4 | 3 or more | 454 |
25.3%
|
| Sysmiss | 12 |