| Value |
Category |
| 0 |
|
| 1 |
|
| 2 |
|
| 3 |
|
| 4 |
|
| 8 |
|
| 10 |
|
| 11 |
|
| 18 |
|
| 20 |
|
| 40 |
|
| 993 |
not working this year |
| 996 |
Undefined answer |
| 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.
