| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 249 |
9.1%
|
| 2 | 1 | 840 |
30.8%
|
| 3 | 2 | 675 |
24.7%
|
| 4 | 3 or more | 967 |
35.4%
|
| Sysmiss | 67 |