| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 40 |
2.2%
|
| 1 | 1 | 386 |
21.3%
|
| 2 | 2 | 707 |
39%
|
| 3 | 3 | 283 |
15.6%
|
| 4 | 4 | 274 |
15.1%
|
| 5 | 5 | 85 |
4.7%
|
| 6 | 6 | 30 |
1.7%
|
| 7 | 5 |
0.3%
|
|
| 8 | 1 |
0.1%
|
|
| 9 | 1 |
0.1%
|
|
| 20 | 1 |
0.1%
|