| Value | Category | Cases | |
|---|---|---|---|
| 0 | 468 |
10.4%
|
|
| 1 | 248 |
5.5%
|
|
| 2 | 353 |
7.9%
|
|
| 3 | 1203 |
26.8%
|
|
| 4 | 2194 |
48.9%
|
|
| 888 | 23 |
0.5%
|
|
| Sysmiss | 92 |