Value |
Category |
0 |
Nothing (obtained for free) |
50 |
|
100 |
|
200 |
|
250 |
|
300 |
|
400 |
|
500 |
|
600 |
|
800 |
|
1000 |
|
1500 |
|
99999 |
DK |
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.