| Value | Category | Cases | |
|---|---|---|---|
| 1 | Number of Hours | 1 |
7.7%
|
| 2 | Never | 8 |
61.5%
|
| 3 | Do not know (enter 999) | 4 |
30.8%
|
| -999999999 | missing | 0 | |
| Sysmiss | 8461 |