| Value | Category | Cases | |
|---|---|---|---|
| 0 | 306 |
6.8%
|
|
| 1 | 220 |
4.9%
|
|
| 2 | 416 |
9.3%
|
|
| 3 | 847 |
18.9%
|
|
| 4 | 2682 |
59.7%
|
|
| 888 | 18 |
0.4%
|
|
| Sysmiss | 92 |