| Value | Category | Cases | |
|---|---|---|---|
| 1 | _____ Number | 302 |
99.7%
|
| 2 | _____ hours | 1 |
0.3%
|
| 8 | 8. Don't know | 0 |
0%
|
| 9 | 9. Missing | 0 |
0%
|
| Sysmiss | 7 |