| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 130 |
29.7%
|
| 2 | 1 | 141 |
32.3%
|
| 3 | 2 | 106 |
24.3%
|
| 4 | 3 or more | 60 |
13.7%
|
| Sysmiss | 35 |