| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 46 |
4.6%
|
| 0 | 40 |
4%
|
|
| 5 | 1 |
0.1%
|
|
| 10 | 7 |
0.7%
|
|
| 15 | 1 |
0.1%
|
|
| 20 | 15 |
1.5%
|
|
| 25 | 3 |
0.3%
|
|
| 30 | 14 |
1.4%
|
|
| 40 | 10 |
1%
|
|
| 50 | 80 |
8%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 22 |
2.2%
|
|
| 70 | 29 |
2.9%
|
|
| 75 | 4 |
0.4%
|
|
| 80 | 26 |
2.6%
|
|
| 85 | 3 |
0.3%
|
|
| 90 | 12 |
1.2%
|
|
| 95 | 3 |
0.3%
|
|
| 97 | 1 |
0.1%
|
|
| 99 | 1 |
0.1%
|
|
| 100 | 683 |
68.2%
|