| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 47 |
4.3%
|
| 2 | 1 | 99 |
9.1%
|
| 3 | 2 | 165 |
15.2%
|
| 4 | 3 or more | 772 |
71.3%
|
| Sysmiss | 43 |