| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 299 |
11.3%
|
| 2 | 1 | 698 |
26.4%
|
| 3 | 2 | 576 |
21.8%
|
| 4 | 3 or more | 1067 |
40.4%
|
| Sysmiss | 30 |