| Value | Category | Cases | |
|---|---|---|---|
| 0 | 462 |
44.8%
|
|
| 1 | 228 |
22.1%
|
|
| 2 | 143 |
13.9%
|
|
| 3 | 150 |
14.5%
|
|
| 4 | 35 |
3.4%
|
|
| 5 | 13 |
1.3%
|
|
| Sysmiss | 490 |