| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 78 |
5.4%
|
| 2 | 1 | 114 |
7.9%
|
| 3 | 2 | 193 |
13.5%
|
| 4 | 3 or more | 1049 |
73.2%
|
| Sysmiss | 45 |