| Value | Category | Cases | |
|---|---|---|---|
| 1 | HOURS | 219 |
37.2%
|
| 2 | MINUTES | 315 |
53.5%
|
| 7 | DON’T KNOW | 48 |
8.1%
|
| 9 | REFUSED | 7 |
1.2%
|
| Sysmiss | 10869 |