| Value | Category | Cases | |
|---|---|---|---|
| 0 | 253 |
60.2%
|
|
| 1 | 113 |
26.9%
|
|
| 2 | 39 |
9.3%
|
|
| 3 | 12 |
2.9%
|
|
| 4 | 3 |
0.7%
|
|
| Sysmiss | 5807 |