| Value | Category | Cases | |
|---|---|---|---|
| 0 | 527 |
35.1%
|
|
| 1 | 489 |
32.5%
|
|
| 2 | 400 |
26.6%
|
|
| 3 | 82 |
5.5%
|
|
| 4 | 5 |
0.3%
|
|
| Sysmiss | 92 |