| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 232 |
12.4%
|
| 2 | 1 | 431 |
23.1%
|
| 3 | 2 | 370 |
19.8%
|
| 4 | 3 or more | 831 |
44.6%
|
| Sysmiss | 61 |