| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 168 |
36.7%
|
| 1 | 1 | 119 |
26%
|
| 2 | 2 | 107 |
23.4%
|
| 3 | Three or more | 64 |
14%
|
| Sysmiss | 3 |