| Value |
Category |
| 100 |
Minutes: 0 |
| 101 |
Minutes: 1 |
| 199 |
Minutes: number missing |
| 201 |
Hours: 1 |
| 299 |
Hours: number missing |
| 998 |
Don't know |
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.