| 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.