| Value | Category | Cases | |
|---|---|---|---|
| 0 | 217 |
26.9%
|
|
| 1 | 299 |
37%
|
|
| 2 | 159 |
19.7%
|
|
| 3 | 133 |
16.5%
|
|
| Sysmiss | 2139 |