| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 26 |
7.4%
|
| 0 | 10 |
2.8%
|
|
| 10 | 4 |
1.1%
|
|
| 20 | 4 |
1.1%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 9 |
2.6%
|
|
| 40 | 7 |
2%
|
|
| 50 | 5 |
1.4%
|
|
| 60 | 8 |
2.3%
|
|
| 65 | 3 |
0.9%
|
|
| 70 | 15 |
4.3%
|
|
| 75 | 3 |
0.9%
|
|
| 80 | 12 |
3.4%
|
|
| 88 | 1 |
0.3%
|
|
| 90 | 9 |
2.6%
|
|
| 92 | 1 |
0.3%
|
|
| 97 | 1 |
0.3%
|
|
| 99 | 1 |
0.3%
|
|
| 100 | 232 |
65.9%
|