| Value |
Category |
| 1 |
Not paid |
| 2 |
Paid cash |
| 3 |
Paid in kind |
| 4 |
Paid to participate |
| 9 |
Not stated |
| 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.