| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 151 |
8.3%
|
| 2 | 1 | 305 |
16.7%
|
| 3 | 2 | 326 |
17.8%
|
| 4 | 3 or more | 1046 |
57.2%
|
| Sysmiss | 27 |