Value |
Category |
77 |
refused |
88 |
don't know |
99 |
missing |
200 |
|
300 |
|
350 |
|
400 |
|
1000 |
|
1200 |
|
1500 |
|
2000 |
|
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.