| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 117 |
9.6%
|
| 2 | 1 | 169 |
13.8%
|
| 3 | 2 | 178 |
14.5%
|
| 4 | 3 or more | 760 |
62.1%
|
| Sysmiss | 10 |