| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
4.9%
|
| 0 | 230 |
74.9%
|
|
| 10 | 1 |
0.3%
|
|
| 11 | 1 |
0.3%
|
|
| 20 | 3 |
1%
|
|
| 30 | 2 |
0.7%
|
|
| 31 | 1 |
0.3%
|
|
| 39 | 1 |
0.3%
|
|
| 44 | 1 |
0.3%
|
|
| 45 | 1 |
0.3%
|
|
| 49 | 2 |
0.7%
|
|
| 50 | 9 |
2.9%
|
|
| 60 | 1 |
0.3%
|
|
| 70 | 3 |
1%
|
|
| 80 | 1 |
0.3%
|
|
| 82 | 1 |
0.3%
|
|
| 95 | 1 |
0.3%
|
|
| 100 | 33 |
10.7%
|