| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 162 |
8.8%
|
| 2 | 1 | 348 |
19%
|
| 3 | 2 | 347 |
18.9%
|
| 4 | 3 or more | 976 |
53.2%
|
| Sysmiss | 85 |