| Value | Category | Cases | |
|---|---|---|---|
| 0 | 180 |
65%
|
|
| 1 | 49 |
17.7%
|
|
| 2 | 39 |
14.1%
|
|
| 3 | 9 |
3.2%
|
|
| Sysmiss | 440 |