| Value | Category | Cases | |
|---|---|---|---|
| 1 | Minutes | 151 |
83.9%
|
| 2 | Hours | 28 |
15.6%
|
| 8 | Don't know | 0 |
0%
|
| 9 | Missing | 1 |
0.6%
|
| Sysmiss | 887 |