| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
4.2%
|
| -5 | Refund still outstanding | 0 |
0%
|
| 1 | One week or less | 23 |
16%
|
| 2 | 25 |
17.4%
|
|
| 3 | 21 |
14.6%
|
|
| 4 | 46 |
31.9%
|
|
| 5 | 6 |
4.2%
|
|
| 6 | 5 |
3.5%
|
|
| 7 | 3 |
2.1%
|
|
| 8 | 2 |
1.4%
|
|
| 10 | 1 |
0.7%
|
|
| 14 | 2 |
1.4%
|
|
| 15 | 3 |
2.1%
|
|
| 30 | 1 |
0.7%
|
|
| Sysmiss | 115 |