| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | 6 |
4.4%
|
|
| 2 | 45 |
33.3%
|
|
| 3 | 39 |
28.9%
|
|
| 4 | 29 |
21.5%
|
|
| 5 | 13 |
9.6%
|
|
| 6 | 2 |
1.5%
|
|
| 44 | 1 |
0.7%
|