| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 45 |
8.3%
|
| 2 | 1 | 58 |
10.6%
|
| 3 | 2 | 80 |
14.7%
|
| 4 | 3 or more | 362 |
66.4%
|
| Sysmiss | 33 |