| Value | Category | Cases | |
|---|---|---|---|
| 4 | 1 |
25%
|
|
| 7 | 1 |
25%
|
|
| 15 | 1 |
25%
|
|
| 54 | 1 |
25%
|
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 1721 |