| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 43 |
3.9%
|
| 2 | 1 | 63 |
5.8%
|
| 3 | 2 | 99 |
9.1%
|
| 4 | 3 or more | 885 |
81.2%
|
| Sysmiss | 27 |