| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 177 |
6%
|
| 2 | 1 | 259 |
8.8%
|
| 3 | 2 | 507 |
17.3%
|
| 4 | 3 or more | 1991 |
67.9%
|
| Sysmiss | 33 |