| Value | Category | Cases | |
|---|---|---|---|
| 0 | 34 |
1.8%
|
|
| 1 | 59 |
3.1%
|
|
| 2 | 200 |
10.5%
|
|
| 3 | 387 |
20.4%
|
|
| 4 | 1221 |
64.2%
|
|
| Sysmiss | 4939 |