| Value |
Category |
| -9 |
Don't know |
| -8 |
Refused |
| 5 |
|
| 6 |
|
| 12 |
|
| 15 |
|
| 18 |
|
| 24 |
|
| 36 |
|
| 48 |
|
| 60 |
|
| 70 |
|
| 72 |
|
| 81 |
|
| 84 |
|
| 96 |
|
| 120 |
|
| 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.