| Value |
Category |
| 1 |
Less than 9 hours |
| 2 |
9 - 16 hours |
| 3 |
17 - 24 hours |
| 4 |
25 - 32 hours |
| 5 |
33 - 40 hours |
| 6 |
41 - 49 hours |
| 7 |
49 + hours |
| 8 |
Not specified |
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.