| Value |
Category |
| 20 |
|
| 60 |
|
| 77 |
refused |
| 88 |
don't know |
| 90 |
|
| 99 |
missing |
| 102 |
|
| 105 |
|
| 240 |
|
| 360 |
|
| 875 |
|
| 960 |
|
| 1100 |
|
| 1736 |
|
| 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.