| Value | Category | Cases | |
|---|---|---|---|
| 1 | Unpaid | 19 |
59.4%
|
| 2 | Paid cash | 5 |
15.6%
|
| 3 | Paid in kind | 2 |
6.3%
|
| 4 | Required to pay to participate | 6 |
18.8%
|
| Sysmiss | 13563 |