| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 569 |
12.8%
|
| 2 | 1 | 1169 |
26.4%
|
| 3 | 2 | 970 |
21.9%
|
| 4 | 3 or more | 1728 |
39%
|
| Sysmiss | 95 |