| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
5.5%
|
| 0 | 29 |
8%
|
|
| 20 | 6 |
1.7%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 5 |
1.4%
|
|
| 32 | 1 |
0.3%
|
|
| 40 | 11 |
3%
|
|
| 45 | 1 |
0.3%
|
|
| 50 | 29 |
8%
|
|
| 58 | 1 |
0.3%
|
|
| 60 | 13 |
3.6%
|
|
| 70 | 19 |
5.2%
|
|
| 75 | 1 |
0.3%
|
|
| 80 | 24 |
6.6%
|
|
| 85 | 2 |
0.6%
|
|
| 90 | 11 |
3%
|
|
| 93 | 1 |
0.3%
|
|
| 95 | 7 |
1.9%
|
|
| 99 | 1 |
0.3%
|
|
| 100 | 179 |
49.4%
|