| Value | Category | Cases | |
|---|---|---|---|
| 1 | None at all | 28 |
1.5%
|
| 2 | 2 | 9 |
0.5%
|
| 3 | 3 | 34 |
1.9%
|
| 4 | 4 | 56 |
3.1%
|
| 5 | 5 | 150 |
8.2%
|
| 6 | 6 | 194 |
10.6%
|
| 7 | 7 | 297 |
16.2%
|
| 8 | 8 | 452 |
24.6%
|
| 9 | 9 | 260 |
14.2%
|
| 10 | A great deal | 356 |
19.4%
|
| -4 | Not asked | 0 | |
| -2 | No answer | 1 |