| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 5 |
6.3%
|
| 2 | 1 | 7 |
8.9%
|
| 3 | 2 | 18 |
22.8%
|
| 4 | 3 or more | 49 |
62%
|
| Sysmiss | 1 |