| Value | Category | Cases | |
|---|---|---|---|
| 0 | 67 |
77.9%
|
|
| 1 | 15 |
17.4%
|
|
| 2 | 2 |
2.3%
|
|
| 3 | 2 |
2.3%
|
|
| Sysmiss | 3330 |