| Value | Category | Cases | |
|---|---|---|---|
| 1 | HOURS | 1 |
16.7%
|
| 2 | MINUTES | 1 |
16.7%
|
| 7 | DON'T KNOW | 1 |
16.7%
|
| 9 | REFUSED | 3 |
50%
|
| Sysmiss | 8990 |