| Value | Category | Cases | |
|---|---|---|---|
| 0 | 807 |
60.4%
|
|
| 1 | 478 |
35.8%
|
|
| 2 | 43 |
3.2%
|
|
| 3 | 6 |
0.4%
|
|
| 4 | 2 |
0.1%
|
|
| Sysmiss | 18920 |