| Value |
Category |
| 60 |
|
| 77 |
refused |
| 88 |
don't know |
| 99 |
missing |
| 120 |
|
| 160 |
|
| 200 |
|
| 210 |
|
| 250 |
|
| 320 |
|
| 350 |
|
| 600 |
|
| 640 |
|
| 660 |
|
| 960 |
|
| 1250 |
|
| 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.