| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
15.4%
|
| -5 | Refund still outstanding | 6 |
46.2%
|
| 1 | One week or less | 1 |
7.7%
|
| 5 | 2 |
15.4%
|
|
| 7 | 1 |
7.7%
|
|
| 30 | 1 |
7.7%
|
|
| Sysmiss | 138 |