| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 50 |
4.3%
|
| 2 | 1 | 86 |
7.3%
|
| 3 | 2 | 179 |
15.2%
|
| 4 | 3 or more | 860 |
73.2%
|
| Sysmiss | 20 |