| Value | Category | Cases | |
|---|---|---|---|
| 0 | 965 |
65.1%
|
|
| 1 | 500 |
33.7%
|
|
| 888 | 2 |
0.1%
|
|
| 999 | 15 |
1%
|
|
| Sysmiss | 213 |