| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 43 |
13.7%
|
| -5 | Refund still outstanding | 20 |
6.4%
|
| 1 | One week or less | 1 |
0.3%
|
| 2 | 1 |
0.3%
|
|
| 3 | 80 |
25.6%
|
|
| 4 | 86 |
27.5%
|
|
| 5 | 16 |
5.1%
|
|
| 6 | 25 |
8%
|
|
| 7 | 6 |
1.9%
|
|
| 8 | 8 |
2.6%
|
|
| 10 | 6 |
1.9%
|
|
| 12 | 3 |
1%
|
|
| 14 | 1 |
0.3%
|
|
| 15 | 4 |
1.3%
|
|
| 16 | 1 |
0.3%
|
|
| 20 | 3 |
1%
|
|
| 24 | 1 |
0.3%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 2 |
0.6%
|
|
| 45 | 5 |
1.6%
|
|
| Sysmiss | 189 |