| Value | Category | Cases | |
|---|---|---|---|
| 1 | Unpaid | 15 |
65.2%
|
| 2 | Paid cash | 1 |
4.3%
|
| 3 | Paid in kind | 2 |
8.7%
|
| 4 | Required to pay to participate | 5 |
21.7%
|
| Sysmiss | 12575 |