| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1.2%
|
| 0 | 50 |
20%
|
|
| 2 | 1 |
0.4%
|
|
| 5 | 2 |
0.8%
|
|
| 9 | 1 |
0.4%
|
|
| 10 | 1 |
0.4%
|
|
| 12 | 1 |
0.4%
|
|
| 14 | 1 |
0.4%
|
|
| 20 | 19 |
7.6%
|
|
| 24 | 1 |
0.4%
|
|
| 25 | 2 |
0.8%
|
|
| 28 | 1 |
0.4%
|
|
| 30 | 7 |
2.8%
|
|
| 35 | 1 |
0.4%
|
|
| 40 | 10 |
4%
|
|
| 42 | 1 |
0.4%
|
|
| 50 | 21 |
8.4%
|
|
| 52 | 1 |
0.4%
|
|
| 55 | 4 |
1.6%
|
|
| 58 | 1 |
0.4%
|
|
| 60 | 20 |
8%
|
|
| 65 | 2 |
0.8%
|
|
| 68 | 1 |
0.4%
|
|
| 70 | 10 |
4%
|
|
| 75 | 2 |
0.8%
|
|
| 80 | 20 |
8%
|
|
| 85 | 6 |
2.4%
|
|
| 90 | 9 |
3.6%
|
|
| 94 | 1 |
0.4%
|
|
| 95 | 7 |
2.8%
|
|
| 96 | 1 |
0.4%
|
|
| 97 | 2 |
0.8%
|
|
| 98 | 1 |
0.4%
|
|
| 99 | 1 |
0.4%
|
|
| 100 | 38 |
15.2%
|