| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 1 |
1%
|
|
| 1 | 39 |
40.2%
|
|
| 2 | 31 |
32%
|
|
| 3 | 18 |
18.6%
|
|
| 4 | 7 |
7.2%
|
|
| 10 | 1 |
1%
|