| Value | Category | Cases | |
|---|---|---|---|
| 0 | 22 |
16.8%
|
|
| 1 | 69 |
52.7%
|
|
| 2 | 23 |
17.6%
|
|
| 3 | 13 |
9.9%
|
|
| 4 | 4 |
3.1%
|
|
| Sysmiss | 2817 |