| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 11 |
4.7%
|
| 2 | 1 | 33 |
14%
|
| 3 | 2 | 50 |
21.2%
|
| 4 | 3 or more | 142 |
60.2%
|
| Sysmiss | 9 |