| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 170 |
6.6%
|
| 2 | 1 | 357 |
13.8%
|
| 3 | 2 | 465 |
18%
|
| 4 | 3 or more | 1588 |
61.6%
|
| Sysmiss | 75 |