| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 23 |
10.3%
|
| -5 | Refund still outstanding | 1 |
0.4%
|
| 1 | One week or less | 87 |
38.8%
|
| 2 | 42 |
18.8%
|
|
| 3 | 24 |
10.7%
|
|
| 4 | 28 |
12.5%
|
|
| 5 | 2 |
0.9%
|
|
| 6 | 3 |
1.3%
|
|
| 7 | 1 |
0.4%
|
|
| 8 | 5 |
2.2%
|
|
| 12 | 4 |
1.8%
|
|
| 14 | 1 |
0.4%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 1 |
0.4%
|
|
| 26 | 1 |
0.4%
|
|
| Sysmiss | 385 |