| Value |
Category |
| -66 |
SKIP |
| 77 |
refused |
| 88 |
don't know |
| 99 |
missing |
| 145 |
|
| 166 |
|
| 177 |
|
| 181 |
|
| 183 |
|
| 230 |
|
| 238 |
|
| 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.