| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1217 |
81%
|
|
| 1 | 281 |
18.7%
|
|
| 888 | 2 |
0.1%
|
|
| 999 | 3 |
0.2%
|
|
| Sysmiss | 92 |