| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 35 |
23.5%
|
| 10 | 1 |
0.7%
|
|
| 30 | 2 |
1.3%
|
|
| 40 | 5 |
3.4%
|
|
| 50 | 5 |
3.4%
|
|
| 60 | 13 |
8.7%
|
|
| 64 | 1 |
0.7%
|
|
| 65 | 3 |
2%
|
|
| 70 | 17 |
11.4%
|
|
| 75 | 2 |
1.3%
|
|
| 80 | 14 |
9.4%
|
|
| 85 | 2 |
1.3%
|
|
| 90 | 10 |
6.7%
|
|
| 95 | 4 |
2.7%
|
|
| 100 | 35 |
23.5%
|