| Value |
Category |
| 1 |
no time |
| 2 |
less than 1 hour |
| 3 |
1-2 hours |
| 4 |
3-5 hours |
| 5 |
more than 5 hours |
| 8 |
not admin. |
| 9 |
omitted |
| 11 |
.B |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.