| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 182 |
11.2%
|
| 2 | 1 | 472 |
29.2%
|
| 3 | 2 | 432 |
26.7%
|
| 4 | 3 or more | 533 |
32.9%
|
| Sysmiss | 29 |