| Value | Category | Cases | |
|---|---|---|---|
| 0 | 308 |
9.5%
|
|
| 1 | 292 |
9%
|
|
| 2 | 408 |
12.6%
|
|
| 3 | 641 |
19.8%
|
|
| 4 | 850 |
26.3%
|
|
| 5 | 732 |
22.6%
|
|
| 9 | 1 |
0%
|
|
| Sysmiss | 9004 |