| Value |
Category |
| 1 |
LESS THAN 30 MINUTES |
| 2 |
30 MINUTES TO 1 HOUR |
| 3 |
1 HOUR TO 2 HOURS |
| 4 |
2 HOURS OR MORE |
| 9 |
OMITTED OR INVALID |
| 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.