| Value | Category | Cases | |
|---|---|---|---|
| 0 | 306 |
61.2%
|
|
| 1 | 50 |
10%
|
|
| 2 | 108 |
21.6%
|
|
| 3 | 17 |
3.4%
|
|
| 4 | 19 |
3.8%
|
|
| Sysmiss | 1 |