| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hours | 52 |
34.2%
|
| 2 | Minutes | 64 |
42.1%
|
| 7 | Don’T Know | 32 |
21.1%
|
| 9 | Refused | 4 |
2.6%
|
| Sysmiss | 8146 |