| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2.9%
|
| 0 | 5 |
4.9%
|
|
| 10 | 1 |
1%
|
|
| 15 | 1 |
1%
|
|
| 20 | 1 |
1%
|
|
| 25 | 3 |
2.9%
|
|
| 29 | 1 |
1%
|
|
| 30 | 5 |
4.9%
|
|
| 50 | 9 |
8.7%
|
|
| 60 | 4 |
3.9%
|
|
| 65 | 1 |
1%
|
|
| 70 | 3 |
2.9%
|
|
| 75 | 6 |
5.8%
|
|
| 80 | 10 |
9.7%
|
|
| 85 | 1 |
1%
|
|
| 90 | 5 |
4.9%
|
|
| 100 | 44 |
42.7%
|