| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 28 |
2.8%
|
| 1 | 1 to 3 | 312 |
31.2%
|
| 2 | 4 to 6 | 441 |
44.1%
|
| 3 | 7 or more | 218 |
21.8%
|
| Sysmiss | 266 |