| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 298 |
8.8%
|
| 2 | 1 | 445 |
13.1%
|
| 3 | 2 | 533 |
15.7%
|
| 4 | 3 or more | 2109 |
62.3%
|
| Sysmiss | 108 |