Value |
Category |
77 |
refused |
88 |
don't know |
99 |
missing |
100 |
|
150 |
|
250 |
|
350 |
|
500 |
|
600 |
|
750 |
|
800 |
|
1500 |
|
3000 |
|
3200 |
|
6000 |
|
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.