| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 170 |
9.3%
|
| 2 | 1 | 239 |
13%
|
| 3 | 2 | 293 |
15.9%
|
| 4 | 3 or more | 1135 |
61.8%
|
| Sysmiss | 22 |