| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.7%
|
| 0 | 4 |
2.6%
|
|
| 15 | 1 |
0.7%
|
|
| 20 | 3 |
2%
|
|
| 30 | 2 |
1.3%
|
|
| 35 | 1 |
0.7%
|
|
| 40 | 3 |
2%
|
|
| 50 | 10 |
6.6%
|
|
| 55 | 1 |
0.7%
|
|
| 60 | 9 |
6%
|
|
| 70 | 16 |
10.6%
|
|
| 80 | 5 |
3.3%
|
|
| 85 | 2 |
1.3%
|
|
| 90 | 10 |
6.6%
|
|
| 92 | 1 |
0.7%
|
|
| 93 | 1 |
0.7%
|
|
| 95 | 3 |
2%
|
|
| 100 | 78 |
51.7%
|