| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 240 |
3.3%
|
| 2 | 1 | 485 |
6.7%
|
| 3 | 2 | 626 |
8.7%
|
| 4 | 3 or more | 5843 |
81.2%
|
| Sysmiss | 144 |