| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.7%
|
| 0 | 2 |
1.3%
|
|
| 1 | 10 |
6.6%
|
|
| 2 | 17 |
11.3%
|
|
| 3 | 10 |
6.6%
|
|
| 4 | 8 |
5.3%
|
|
| 5 | 7 |
4.6%
|
|
| 6 | 1 |
0.7%
|
|
| 7 | 1 |
0.7%
|
|
| 8 | 1 |
0.7%
|
|
| 10 | 2 |
1.3%
|
|
| 30 | 1 |
0.7%
|
|
| 40 | 1 |
0.7%
|
|
| 60 | 1 |
0.7%
|
|
| NA | 88 |
58.3%
|