| Value |
Category |
|
|
| 250 |
|
| 300 |
|
| 500 |
|
| 1500 |
|
| 2000 |
|
| 3000 |
|
| 4500 |
|
| 6000 |
|
| 7000 |
|
| z |
Not applicable |
| d |
Inconsistency set to missing |
| a |
Don't know |
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.