| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.6%
|
| 0 | 43 |
27.4%
|
|
| 1 | 18 |
11.5%
|
|
| 2 | 22 |
14%
|
|
| 3 | 15 |
9.6%
|
|
| 4 | 10 |
6.4%
|
|
| 5 | 17 |
10.8%
|
|
| 6 | 10 |
6.4%
|
|
| 7 | 7 |
4.5%
|
|
| 8 | 3 |
1.9%
|
|
| 9 | 2 |
1.3%
|
|
| 10 | 2 |
1.3%
|
|
| 15 | 1 |
0.6%
|
|
| 16 | 1 |
0.6%
|
|
| 17 | 1 |
0.6%
|
|
| 23 | 2 |
1.3%
|
|
| 43 | 1 |
0.6%
|
|
| 170 | 1 |
0.6%
|