| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 60 |
5.9%
|
| 2 | 1 | 88 |
8.7%
|
| 3 | 2 | 137 |
13.5%
|
| 4 | 3 or more | 728 |
71.9%
|
| Sysmiss | 26 |