| Value | Category | Cases | |
|---|---|---|---|
| 8 | 1 |
1.4%
|
|
| 12 | 5 |
7.1%
|
|
| 15 | 1 |
1.4%
|
|
| 99 | MISSING | 63 |
90%
|
| Sysmiss | 5112 |