| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 32 |
21.2%
|
| -7 | Doesn't apply | 0 |
0%
|
| 0 | 3 |
2%
|
|
| 1 | 32 |
21.2%
|
|
| 2 | 23 |
15.2%
|
|
| 3 | 8 |
5.3%
|
|
| 4 | 6 |
4%
|
|
| 5 | 6 |
4%
|
|
| 8 | 1 |
0.7%
|
|
| 10 | 4 |
2.6%
|
|
| 12 | 1 |
0.7%
|
|
| 20 | 5 |
3.3%
|
|
| 25 | 2 |
1.3%
|
|
| 30 | 6 |
4%
|
|
| 40 | 2 |
1.3%
|
|
| 50 | 5 |
3.3%
|
|
| 60 | 1 |
0.7%
|
|
| 100 | 14 |
9.3%
|