| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 185 |
8.6%
|
| 2 | 1 | 286 |
13.3%
|
| 3 | 2 | 431 |
20%
|
| 4 | 3 or more | 1255 |
58.2%
|
| Sysmiss | 19 |