| Value |
Category |
| -99 |
dk |
| -77 |
na |
| 0 |
less than one day |
| 3 |
|
| 5 |
|
| 7 |
|
| 8 |
|
| 10 |
|
| 14 |
|
| 15 |
|
| 20 |
|
| 21 |
|
| 30 |
|
| 35 |
|
| 45 |
|
| 60 |
|
| 90 |
|
| 180 |
|
| 212 |
|
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.