| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 10 | 2 |
0.8%
|
|
| 20 | 1 |
0.4%
|
|
| 25 | 2 |
0.8%
|
|
| 30 | 5 |
1.9%
|
|
| 35 | 1 |
0.4%
|
|
| 40 | 3 |
1.2%
|
|
| 50 | 5 |
1.9%
|
|
| 51 | 1 |
0.4%
|
|
| 55 | 2 |
0.8%
|
|
| 60 | 16 |
6.2%
|
|
| 65 | 3 |
1.2%
|
|
| 69 | 1 |
0.4%
|
|
| 70 | 23 |
8.9%
|
|
| 75 | 3 |
1.2%
|
|
| 80 | 29 |
11.2%
|
|
| 85 | 3 |
1.2%
|
|
| 90 | 28 |
10.8%
|
|
| 92 | 1 |
0.4%
|
|
| 93 | 1 |
0.4%
|
|
| 95 | 23 |
8.9%
|
|
| 96 | 2 |
0.8%
|
|
| 97 | 3 |
1.2%
|
|
| 98 | 10 |
3.9%
|
|
| 99 | 15 |
5.8%
|
|
| 100 | 76 |
29.3%
|