| Value | Category | Cases | |
|---|---|---|---|
| 0 | 56 |
21.9%
|
|
| 1 | 156 |
60.9%
|
|
| 2 | 42 |
16.4%
|
|
| 3 | 1 |
0.4%
|
|
| 4 | 1 |
0.4%
|
|
| Sysmiss | 2382 |