| Value | Category | Cases | |
|---|---|---|---|
| 0 | 93 |
93%
|
|
| 3 | 1 |
1%
|
|
| 4 | 1 |
1%
|
|
| 5 | 3 |
3%
|
|
| 6 | 1 |
1%
|
|
| 998 | 1 |
1%
|
|
| Sysmiss | 1030 |