| Value |
Category |
| -9 |
Don't know (spontaneous) |
| -8 |
Refusal (spontaneous) |
| -7 |
Does not apply |
| 10 |
|
| 15 |
|
| 21 |
|
| 28 |
|
| 30 |
|
| 40 |
|
| 60 |
|
| 90 |
|
| 120 |
|
| 140 |
|
| 150 |
|
| 180 |
|
| 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.
