| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 322 |
10%
|
| 2 | 1 | 591 |
18.3%
|
| 3 | 2 | 627 |
19.5%
|
| 4 | 3 or more | 1683 |
52.2%
|
| Sysmiss | 70 |