| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
1.5%
|
|
| 1 | 57 |
14.4%
|
|
| 2 | 47 |
11.8%
|
|
| 3 | 162 |
40.8%
|
|
| 4 | 125 |
31.5%
|
|
| Sysmiss | 18700 |