| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2%
|
| 0 | 27 |
17.9%
|
|
| 1 | 12 |
7.9%
|
|
| 2 | 8 |
5.3%
|
|
| 3 | 3 |
2%
|
|
| 5 | 4 |
2.6%
|
|
| 7 | 1 |
0.7%
|
|
| 10 | 1 |
0.7%
|
|
| 11 | 1 |
0.7%
|
|
| 15 | 1 |
0.7%
|
|
| 40 | 1 |
0.7%
|
|
| 55 | 1 |
0.7%
|
|
| NA | 88 |
58.3%
|