| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.7%
|
| 0 | Payment received in less than a day | 45 |
31.5%
|
| 1 | 65 |
45.5%
|
|
| 2 | 23 |
16.1%
|
|
| 3 | 8 |
5.6%
|
|
| 4 | 1 |
0.7%
|
|
| Sysmiss | 9 |