| Value | Category | Cases | |
|---|---|---|---|
| 0 | 418 |
77%
|
|
| 1 | 106 |
19.5%
|
|
| 2 | 16 |
2.9%
|
|
| 3 | 3 |
0.6%
|
|
| Sysmiss | 18 |