| Value | Category | Cases | |
|---|---|---|---|
| 0 | 799 |
14.8%
|
|
| 1 | 236 |
4.4%
|
|
| 2 | 450 |
8.3%
|
|
| 3 | 1415 |
26.2%
|
|
| 4 | 2497 |
46.3%
|
|
| Sysmiss | 3178 |