| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
69.7%
|
|
| 15 | 3 |
9.1%
|
|
| 30 | 7 |
21.2%
|
|
| 99 | 99.Missing | 0 |
0%
|
| Sysmiss | 199 |