| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 2 |
0.8%
|
|
| 1 | 1 |
0.4%
|
|
| 3 | 1 |
0.4%
|
|
| 10 | 6 |
2.4%
|
|
| 15 | 2 |
0.8%
|
|
| 20 | 4 |
1.6%
|
|
| 25 | 2 |
0.8%
|
|
| 30 | 5 |
2%
|
|
| 40 | 6 |
2.4%
|
|
| 50 | 15 |
6.1%
|
|
| 60 | 2 |
0.8%
|
|
| 70 | 18 |
7.3%
|
|
| 75 | 4 |
1.6%
|
|
| 80 | 18 |
7.3%
|
|
| 81 | 1 |
0.4%
|
|
| 85 | 4 |
1.6%
|
|
| 90 | 43 |
17.5%
|
|
| 95 | 19 |
7.7%
|
|
| 97 | 1 |
0.4%
|
|
| 98 | 5 |
2%
|
|
| 99 | 54 |
22%
|
|
| 100 | 33 |
13.4%
|