| Value |
Category |
| 1 |
Les then15 minutes |
| 2 |
15-30 minutes |
| 3 |
31-60 minutes |
| 4 |
1-2 hours |
| 5 |
More then 2 hours |
| 11 |
.B |
| Sysmiss |
|
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.