| Value |
Category |
| 16 |
|
| 30 |
|
| 40 |
|
| 44 |
|
| 50 |
|
| 77 |
refused |
| 80 |
|
| 88 |
don't know |
| 99 |
missing |
| 100 |
|
| 240 |
|
| 250 |
|
| 280 |
|
| 360 |
|
| 374 |
|
| 400 |
|
| 480 |
|
| 540 |
|
| 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.