| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 79 |
5.7%
|
| 2 | 1 | 207 |
14.8%
|
| 3 | 2 | 243 |
17.4%
|
| 4 | 3 or more | 866 |
62.1%
|
| Sysmiss | 37 |