| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 152 |
9.5%
|
| 2 | 1 | 231 |
14.4%
|
| 3 | 2 | 247 |
15.4%
|
| 4 | 3 or more | 975 |
60.7%
|
| Sysmiss | 37 |