| Value |
Category |
| 1 |
6 - 8 A.M |
| 2 |
8 - 12 A.M |
| 3 |
12 - 15 |
| 4 |
15 - 18 |
| 5 |
18 - 20 |
| 6 |
20 - 22 |
| 7 |
22 - 24 |
| 8 |
After midnight until 6 A.M |
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.