Value |
Category |
1 |
|
5 |
|
7 |
|
10 |
|
20 |
|
30 |
|
40 |
|
70 |
|
77 |
refused |
80 |
|
88 |
don't know |
99 |
missing |
400 |
|
635 |
|
1000 |
|
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.