| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 69 |
57.5%
|
|
| 5 | 1 |
0.8%
|
|
| 10 | 3 |
2.5%
|
|
| 16 | 1 |
0.8%
|
|
| 20 | 5 |
4.2%
|
|
| 30 | 9 |
7.5%
|
|
| 40 | 5 |
4.2%
|
|
| 50 | 10 |
8.3%
|
|
| 60 | 2 |
1.7%
|
|
| 70 | 6 |
5%
|
|
| 80 | 3 |
2.5%
|
|
| 90 | 1 |
0.8%
|
|
| 100 | 5 |
4.2%
|