| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 48 |
4.3%
|
| 2 | 1 | 66 |
6%
|
| 3 | 2 | 123 |
11.1%
|
| 4 | 3 or more | 867 |
78.5%
|
| Sysmiss | 14 |