| Value | Category | Cases | |
|---|---|---|---|
| 0 | 312 |
39.4%
|
|
| 1 | 422 |
53.4%
|
|
| 2 | 47 |
5.9%
|
|
| 3 | 8 |
1%
|
|
| 4 | 2 |
0.3%
|
|
| Sysmiss | 1 |