| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 18 |
16.4%
|
| -5 | Refund still outstanding | 2 |
1.8%
|
| 1 | One week or less | 6 |
5.5%
|
| 2 | 5 |
4.5%
|
|
| 3 | 18 |
16.4%
|
|
| 4 | 30 |
27.3%
|
|
| 5 | 5 |
4.5%
|
|
| 6 | 3 |
2.7%
|
|
| 7 | 1 |
0.9%
|
|
| 8 | 3 |
2.7%
|
|
| 9 | 2 |
1.8%
|
|
| 14 | 1 |
0.9%
|
|
| 15 | 3 |
2.7%
|
|
| 20 | 6 |
5.5%
|
|
| 24 | 1 |
0.9%
|
|
| 30 | 2 |
1.8%
|
|
| 60 | 3 |
2.7%
|
|
| 90 | 1 |
0.9%
|
|
| Sysmiss | 364 |