| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
3.2%
|
| 1 | 9 |
5.7%
|
|
| 2 | 22 |
14%
|
|
| 3 | 25 |
15.9%
|
|
| 4 | 16 |
10.2%
|
|
| 5 | 26 |
16.6%
|
|
| 6 | 7 |
4.5%
|
|
| 7 | 3 |
1.9%
|
|
| 8 | 11 |
7%
|
|
| 9 | 2 |
1.3%
|
|
| 10 | 4 |
2.5%
|
|
| 12 | 7 |
4.5%
|
|
| 13 | 1 |
0.6%
|
|
| 15 | 2 |
1.3%
|
|
| 16 | 2 |
1.3%
|
|
| 20 | 3 |
1.9%
|
|
| 21 | 1 |
0.6%
|
|
| 23 | 2 |
1.3%
|
|
| 26 | 1 |
0.6%
|
|
| 30 | 2 |
1.3%
|
|
| 36 | 1 |
0.6%
|
|
| 40 | 1 |
0.6%
|
|
| 50 | 2 |
1.3%
|
|
| 75 | 1 |
0.6%
|
|
| 160 | 1 |
0.6%
|