| Value | Category | Cases | |
|---|---|---|---|
| 0 | 676 |
47.1%
|
|
| 1 | 43 |
3%
|
|
| 2 | 551 |
38.4%
|
|
| 3 | 166 |
11.6%
|
|
| Sysmiss | 1511 |