| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
16.5%
|
|
| 1 | 26 |
23.9%
|
|
| 2 | 21 |
19.3%
|
|
| 3 | 44 |
40.4%
|
|
| Sysmiss | 2600 |