Value |
Category |
1 |
<1 hr |
2 |
1-2 hrs. |
3 |
2-3 hrs. |
4 |
>3 hrs. |
6 |
not applicable |
8 |
not admin. |
9 |
missing |
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.