| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 28 |
20.7%
|
| -5 | Refund still outstanding | 2 |
1.5%
|
| 1 | One week or less | 16 |
11.9%
|
| 2 | 8 |
5.9%
|
|
| 3 | 21 |
15.6%
|
|
| 4 | 22 |
16.3%
|
|
| 5 | 5 |
3.7%
|
|
| 6 | 4 |
3%
|
|
| 7 | 2 |
1.5%
|
|
| 8 | 9 |
6.7%
|
|
| 10 | 3 |
2.2%
|
|
| 11 | 1 |
0.7%
|
|
| 12 | 2 |
1.5%
|
|
| 15 | 3 |
2.2%
|
|
| 16 | 3 |
2.2%
|
|
| 20 | 1 |
0.7%
|
|
| 24 | 2 |
1.5%
|
|
| 30 | 1 |
0.7%
|
|
| 60 | 2 |
1.5%
|
|
| Sysmiss | 225 |