| Value |
Category |
| -99 |
Don't know |
| -98 |
Refuse to answer |
| 0 |
|
| 1 |
|
| 3 |
|
| 5 |
|
| 10 |
|
| 15 |
|
| 20 |
|
| 30 |
|
| 60 |
|
| 90 |
|
| 120 |
|
| 180 |
|
| 240 |
|
| 300 |
|
| 360 |
|
| 600 |
|
| 666 |
|
| 720 |
|
| 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.