| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.5%
|
| 0 | Payment received in less than a day | 86 |
62.8%
|
| 1 | 16 |
11.7%
|
|
| 2 | 18 |
13.1%
|
|
| 3 | 13 |
9.5%
|
|
| 7 | 2 |
1.5%
|
|
| Sysmiss | 13 |