| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 33 |
21.9%
|
| -7 | Doesn't apply | 0 |
0%
|
| 0 | 8 |
5.3%
|
|
| 1 | 32 |
21.2%
|
|
| 2 | 29 |
19.2%
|
|
| 3 | 16 |
10.6%
|
|
| 4 | 6 |
4%
|
|
| 5 | 8 |
5.3%
|
|
| 6 | 3 |
2%
|
|
| 7 | 1 |
0.7%
|
|
| 8 | 1 |
0.7%
|
|
| 9 | 2 |
1.3%
|
|
| 10 | 3 |
2%
|
|
| 12 | 2 |
1.3%
|
|
| 13 | 1 |
0.7%
|
|
| 15 | 5 |
3.3%
|
|
| 21 | 1 |
0.7%
|