| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 97 |
12.2%
|
| 2 | 1 | 220 |
27.8%
|
| 3 | 2 | 181 |
22.9%
|
| 4 | 3 or more | 294 |
37.1%
|
| Sysmiss | 37 |