| Value | Category | Cases | |
|---|---|---|---|
| 0 | 151 |
83.9%
|
|
| 1 | 27 |
15%
|
|
| 2 | 1 |
0.6%
|
|
| 4 | 1 |
0.6%
|
|
| Sysmiss | 130 |