| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 23 |
2.3%
|
| 1 | 1 to 3 | 310 |
31.1%
|
| 2 | 4 to 6 | 445 |
44.6%
|
| 3 | 7 or more | 220 |
22%
|
| Sysmiss | 267 |