| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 194 |
5.8%
|
| 2 | 1 | 285 |
8.5%
|
| 3 | 2 | 436 |
13.1%
|
| 4 | 3 or more | 2423 |
72.6%
|
| Sysmiss | 47 |