Value |
Category |
0 |
none |
77 |
refused |
80 |
|
88 |
don't know |
99 |
missing |
150 |
|
220 |
|
240 |
|
300 |
|
450 |
|
500 |
|
600 |
|
840 |
|
1000 |
|
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.