| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2%
|
| 0 | 6 |
4%
|
|
| 1 | 17 |
11.3%
|
|
| 2 | 12 |
8%
|
|
| 3 | 15 |
10%
|
|
| 4 | 23 |
15.3%
|
|
| 5 | 20 |
13.3%
|
|
| 6 | 10 |
6.7%
|
|
| 7 | 1 |
0.7%
|
|
| 8 | 6 |
4%
|
|
| 10 | 10 |
6.7%
|
|
| 11 | 2 |
1.3%
|
|
| 12 | 4 |
2.7%
|
|
| 13 | 4 |
2.7%
|
|
| 14 | 1 |
0.7%
|
|
| 15 | 1 |
0.7%
|
|
| 18 | 4 |
2.7%
|
|
| 20 | 2 |
1.3%
|
|
| 25 | 2 |
1.3%
|
|
| 28 | 1 |
0.7%
|
|
| 30 | 2 |
1.3%
|
|
| 55 | 1 |
0.7%
|
|
| 60 | 1 |
0.7%
|
|
| 65 | 1 |
0.7%
|
|
| 90 | 1 |
0.7%
|