| Value | Category | Cases | |
|---|---|---|---|
| 0 | 624 |
39.8%
|
|
| 1 | 860 |
54.9%
|
|
| 2 | 62 |
4%
|
|
| 3 | 13 |
0.8%
|
|
| 4 | 5 |
0.3%
|
|
| 5 | 2 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| Sysmiss | 18689 |