| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
18.9%
|
|
| 1 | 13 |
35.1%
|
|
| 2 | 2 |
5.4%
|
|
| 3 | 1 |
2.7%
|
|
| 6 | 2 |
5.4%
|
|
| 10 | 1 |
2.7%
|
|
| 998 | 1 |
2.7%
|
|
| 9996 | 2 |
5.4%
|
|
| 9998 | 8 |
21.6%
|
|
| Sysmiss | 1993 |