| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 269 |
19.6%
|
| 2 | 1 | 592 |
43.2%
|
| 3 | 2 | 248 |
18.1%
|
| 4 | 3 or more | 262 |
19.1%
|
| Sysmiss | 50 |