| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -5 | Refund still outstanding | 2 |
40%
|
| 1 | One week or less | 0 |
0%
|
| 2 | 1 |
20%
|
|
| 3 | 2 |
40%
|
|
| Sysmiss | 387 |