| Value | Category | Cases | |
|---|---|---|---|
| 0 | 45 |
3.1%
|
|
| 1 | 1351 |
94%
|
|
| 2 | 25 |
1.7%
|
|
| 3 | 16 |
1.1%
|
|
| Sysmiss | 1510 |