| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.7%
|
| -5 | Refund still outstanding | 2 |
1.4%
|
| 1 | One week or less | 42 |
29.4%
|
| 2 | 10 |
7%
|
|
| 3 | 24 |
16.8%
|
|
| 4 | 39 |
27.3%
|
|
| 5 | 1 |
0.7%
|
|
| 6 | 1 |
0.7%
|
|
| 7 | 2 |
1.4%
|
|
| 8 | 1 |
0.7%
|
|
| 12 | 3 |
2.1%
|
|
| 14 | 5 |
3.5%
|
|
| 15 | 1 |
0.7%
|
|
| 16 | 1 |
0.7%
|
|
| 20 | 2 |
1.4%
|
|
| 21 | 2 |
1.4%
|
|
| 24 | 2 |
1.4%
|
|
| 30 | 4 |
2.8%
|
|
| Sysmiss | 480 |