| Value | Category | Cases | |
|---|---|---|---|
| 0 | 173 |
93%
|
|
| 1 | 10 |
5.4%
|
|
| 2 | 2 |
1.1%
|
|
| 4 | 1 |
0.5%
|
|
| Sysmiss | 4 |