| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 297 |
8.2%
|
| 2 | 1 | 741 |
20.4%
|
| 3 | 2 | 678 |
18.7%
|
| 4 | 3 or more | 1910 |
52.7%
|
| Sysmiss | 79 |