| Value |
Category |
| 1 |
4 HOURS OR LESS |
| 2 |
4.5 HOURS |
| 3 |
5 HOURS |
| 4 |
5.5 HOURS |
| 5 |
6 HOURS |
| 6 |
6.5 HOURS OR MORE |
| 9 |
OMITTED |
| 11 |
.A |
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.