| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
18.8%
|
| -5 | Refund still outstanding | 1 |
6.3%
|
| 1 | One week or less | 3 |
18.8%
|
| 2 | 2 |
12.5%
|
|
| 3 | 4 |
25%
|
|
| 4 | 1 |
6.3%
|
|
| 7 | 1 |
6.3%
|
|
| 12 | 1 |
6.3%
|
|
| Sysmiss | 348 |