| Value |
Category |
| 14 |
|
| 40 |
|
| 45 |
|
| 50 |
|
| 77 |
refused |
| 88 |
don't know |
| 99 |
missing |
| 100 |
|
| 110 |
|
| 140 |
|
| 195 |
|
| 240 |
|
| 250 |
|
| 520 |
|
| 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.