| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 86 |
3.1%
|
| 2 | 1 | 212 |
7.6%
|
| 3 | 2 | 387 |
13.8%
|
| 4 | 3 or more | 2121 |
75.6%
|
| Sysmiss | 25 |