| Value | Category | Cases | |
|---|---|---|---|
| 0 | 297 |
9.8%
|
|
| 1 | 2435 |
80.3%
|
|
| 2 | 187 |
6.2%
|
|
| 3 | 113 |
3.7%
|
|
| Sysmiss | 1048 |