| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 89 |
3.9%
|
| 2 | 1 | 228 |
10.1%
|
| 3 | 2 | 321 |
14.2%
|
| 4 | 3 or more | 1624 |
71.8%
|
| Sysmiss | 22 |