| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 42 |
7%
|
| 0 | 70 |
11.7%
|
|
| 5 | 4 |
0.7%
|
|
| 10 | 13 |
2.2%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 16 |
2.7%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 26 |
4.3%
|
|
| 40 | 16 |
2.7%
|
|
| 50 | 52 |
8.7%
|
|
| 60 | 18 |
3%
|
|
| 70 | 15 |
2.5%
|
|
| 75 | 1 |
0.2%
|
|
| 80 | 37 |
6.2%
|
|
| 85 | 1 |
0.2%
|
|
| 90 | 17 |
2.8%
|
|
| 95 | 4 |
0.7%
|
|
| 99 | 1 |
0.2%
|
|
| 100 | 263 |
44%
|