| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 12 |
5.8%
|
| 2 | 1 | 20 |
9.6%
|
| 3 | 2 | 50 |
24%
|
| 4 | 3 or more | 126 |
60.6%
|
| Sysmiss | 4 |