Value |
Category |
20 |
|
25 |
|
41 |
|
50 |
|
65 |
|
75 |
|
77 |
refused |
88 |
don't know |
99 |
missing |
130 |
|
140 |
|
175 |
|
230 |
|
320 |
|
500 |
|
600 |
|
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.