| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 50 |
4%
|
| 2 | 1 | 109 |
8.8%
|
| 3 | 2 | 221 |
17.9%
|
| 4 | 3 or more | 858 |
69.3%
|
| Sysmiss | 42 |