| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 95 |
9.6%
|
| 2 | 1 | 141 |
14.3%
|
| 3 | 2 | 161 |
16.3%
|
| 4 | 3 or more | 588 |
59.7%
|
| Sysmiss | 18 |