| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
11.3%
|
|
| 1 | 76 |
47.5%
|
|
| 2 | 61 |
38.1%
|
|
| 3 | 5 |
3.1%
|
|
| Sysmiss | 1534 |