| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2505 |
68.1%
|
|
| 1 | 1141 |
31%
|
|
| 2 | 27 |
0.7%
|
|
| 3 | 4 |
0.1%
|
|
| Sysmiss | 1 |