| Value | Category | Cases | |
|---|---|---|---|
| 1 | HOURS | 54 |
26.5%
|
| 2 | MINUTES | 134 |
65.7%
|
| 7 | DON’T KNOW | 15 |
7.4%
|
| 9 | REFUSED | 1 |
0.5%
|
| Sysmiss | 7627 |