| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 172 |
9%
|
| 2 | 1 | 390 |
20.4%
|
| 3 | 2 | 348 |
18.2%
|
| 4 | 3 or more | 1000 |
52.4%
|
| Sysmiss | 45 |