| Value | Category | Cases | |
|---|---|---|---|
| 0 | 65 |
26.4%
|
|
| 1 | 134 |
54.5%
|
|
| 2 | 37 |
15%
|
|
| 3 | 9 |
3.7%
|
|
| 7 | 1 |
0.4%
|
|
| Sysmiss | 424 |