| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.5%
|
| 0 | 13 |
3.2%
|
|
| 5 | 4 |
1%
|
|
| 10 | 8 |
2%
|
|
| 15 | 2 |
0.5%
|
|
| 20 | 10 |
2.5%
|
|
| 30 | 9 |
2.2%
|
|
| 40 | 5 |
1.2%
|
|
| 50 | 36 |
8.9%
|
|
| 60 | 20 |
5%
|
|
| 70 | 26 |
6.4%
|
|
| 75 | 1 |
0.2%
|
|
| 80 | 50 |
12.4%
|
|
| 85 | 4 |
1%
|
|
| 90 | 88 |
21.8%
|
|
| 95 | 31 |
7.7%
|
|
| 97 | 1 |
0.2%
|
|
| 98 | 4 |
1%
|
|
| 99 | 8 |
2%
|
|
| 100 | 82 |
20.3%
|