| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 73 |
5.9%
|
| 2 | 1 | 98 |
7.9%
|
| 3 | 2 | 185 |
15%
|
| 4 | 3 or more | 877 |
71.1%
|
| Sysmiss | 41 |