| Value | Category | Cases | |
|---|---|---|---|
| 1 | Unpaid | 21 |
43.8%
|
| 2 | Paid cash | 7 |
14.6%
|
| 3 | Paid in kind | 8 |
16.7%
|
| 4 | Required to pay to participate | 12 |
25%
|
| Sysmiss | 11456 |