| Value | Category | Cases | |
|---|---|---|---|
| 0 | 182 |
87.5%
|
|
| 1 | 16 |
7.7%
|
|
| 2 | 9 |
4.3%
|
|
| 4 | 1 |
0.5%
|
|
| Sysmiss | 1 |