| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 86 |
22.5%
|
| 2 | 1 | 110 |
28.8%
|
| 3 | 2 | 121 |
31.7%
|
| 4 | Three or more | 65 |
17%
|
| Sysmiss | 1 |