| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2415 |
55.3%
|
|
| 1 | 1944 |
44.5%
|
|
| 888 | 9 |
0.2%
|
|
| 999 | 3 |
0.1%
|
|
| Sysmiss | 90 |