| Value | Category | Cases | |
|---|---|---|---|
| 0 | 279 |
10%
|
|
| 1 | 293 |
10.5%
|
|
| 2 | 554 |
19.8%
|
|
| 3 | 1672 |
59.8%
|
|
| Sysmiss | 1201 |