| Value | Category | Cases | |
|---|---|---|---|
| 0 | 663 |
44.1%
|
|
| 1 | 471 |
31.3%
|
|
| 2 | 183 |
12.2%
|
|
| 3 | 186 |
12.4%
|
|
| Sysmiss | 92 |