| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 90 |
9.3%
|
| 2 | 1 | 229 |
23.8%
|
| 3 | 2 | 162 |
16.8%
|
| 4 | 3 or more | 482 |
50.1%
|
| Sysmiss | 25 |