| Value | Category | Cases | |
|---|---|---|---|
| 0 | 34 |
4.9%
|
|
| 1 | 12 |
1.7%
|
|
| 2 | 3 |
0.4%
|
|
| 3 | 183 |
26.3%
|
|
| 4 | 465 |
66.7%
|
|
| Sysmiss | 873 |