| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
12.5%
|
|
| 1 | 1 |
6.3%
|
|
| 988 | 1 |
6.3%
|
|
| 998 | 12 |
75%
|
|
| Sysmiss | 737 |