| Value | Category | Cases | |
|---|---|---|---|
| 0 | 663 |
44.1%
|
|
| 1 | 127 |
8.4%
|
|
| 2 | 5 |
0.3%
|
|
| 3 | 310 |
20.6%
|
|
| 4 | 397 |
26.4%
|
|
| 888 | 1 |
0.1%
|
|
| Sysmiss | 92 |