| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 249 |
13.5%
|
| 2 | 1 | 615 |
33.3%
|
| 3 | 2 | 559 |
30.3%
|
| 4 | 3 or more | 422 |
22.9%
|
| Sysmiss | 19 |