| Value | Category | Cases | |
|---|---|---|---|
| 0 | 426 |
35.9%
|
|
| 1 | 237 |
19.9%
|
|
| 2 | 40 |
3.4%
|
|
| 3 | 5 |
0.4%
|
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 479 |