| Value | Category | Cases | |
|---|---|---|---|
| 0 | 55 |
4.8%
|
|
| 1 | 226 |
19.8%
|
|
| 2 | 249 |
21.8%
|
|
| 3 | 174 |
15.2%
|
|
| 4 | 437 |
38.3%
|
|
| Sysmiss | 23671 |