| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 361 |
9.2%
|
| 2 | 1 | 625 |
16%
|
| 3 | 2 | 791 |
20.2%
|
| 4 | 3 or more | 2137 |
54.6%
|
| Sysmiss | 33 |