| Value | Category | Cases | |
|---|---|---|---|
| 1 | Unpaid | 10 |
52.6%
|
| 2 | Paid cash | 3 |
15.8%
|
| 3 | Paid in kind | 2 |
10.5%
|
| 4 | Required to pay to participate | 4 |
21.1%
|
| Sysmiss | 14732 |