| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 206 |
9%
|
| 2 | 1 | 780 |
33.9%
|
| 3 | 2 | 621 |
27%
|
| 4 | 3 or more | 692 |
30.1%
|
| Sysmiss | 60 |