| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 249 |
10.5%
|
| 2 | 1 | 463 |
19.5%
|
| 3 | 2 | 460 |
19.3%
|
| 4 | 3 or more | 1206 |
50.7%
|
| Sysmiss | 14 |