| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 81 |
6.5%
|
| 2 | 1 | 112 |
9%
|
| 3 | 2 | 186 |
14.9%
|
| 4 | 3 or more | 866 |
69.6%
|
| Sysmiss | 33 |