Value |
Category |
50 |
|
77 |
refused |
80 |
|
88 |
don't know |
99 |
missing |
100 |
|
120 |
|
130 |
|
150 |
|
180 |
|
200 |
|
300 |
|
400 |
|
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.