| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 127 |
8.5%
|
| 2 | 1 | 207 |
13.9%
|
| 3 | 2 | 231 |
15.5%
|
| 4 | 3 or more | 923 |
62%
|
| Sysmiss | 54 |