| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
1.4%
|
|
| 1 | 14 |
2%
|
|
| 2 | 20 |
2.9%
|
|
| 3 | 209 |
30%
|
|
| 4 | 444 |
63.7%
|
|
| Sysmiss | 873 |