| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
13.3%
|
| -5 | Refund still outstanding | 5 |
3.3%
|
| 1 | One week or less | 5 |
3.3%
|
| 2 | 15 |
10%
|
|
| 3 | 19 |
12.7%
|
|
| 4 | 32 |
21.3%
|
|
| 5 | 4 |
2.7%
|
|
| 6 | 6 |
4%
|
|
| 8 | 12 |
8%
|
|
| 9 | 1 |
0.7%
|
|
| 10 | 1 |
0.7%
|
|
| 12 | 16 |
10.7%
|
|
| 13 | 1 |
0.7%
|
|
| 15 | 2 |
1.3%
|
|
| 16 | 2 |
1.3%
|
|
| 24 | 3 |
2%
|
|
| 30 | 3 |
2%
|
|
| 60 | 1 |
0.7%
|
|
| 80 | 1 |
0.7%
|
|
| 96 | 1 |
0.7%
|
|
| Sysmiss | 837 |