| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
5.3%
|
| 0 | 10 |
8.8%
|
|
| 10 | 2 |
1.8%
|
|
| 15 | 1 |
0.9%
|
|
| 19 | 1 |
0.9%
|
|
| 20 | 2 |
1.8%
|
|
| 25 | 1 |
0.9%
|
|
| 30 | 2 |
1.8%
|
|
| 40 | 2 |
1.8%
|
|
| 50 | 2 |
1.8%
|
|
| 60 | 1 |
0.9%
|
|
| 70 | 1 |
0.9%
|
|
| 75 | 2 |
1.8%
|
|
| 80 | 4 |
3.5%
|
|
| 90 | 3 |
2.6%
|
|
| 95 | 1 |
0.9%
|
|
| 100 | 73 |
64%
|