| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
3.3%
|
| 0 | 99 |
66%
|
|
| 5 | 1 |
0.7%
|
|
| 10 | 7 |
4.7%
|
|
| 20 | 4 |
2.7%
|
|
| 25 | 6 |
4%
|
|
| 30 | 6 |
4%
|
|
| 40 | 2 |
1.3%
|
|
| 45 | 1 |
0.7%
|
|
| 50 | 9 |
6%
|
|
| 55 | 1 |
0.7%
|
|
| 60 | 4 |
2.7%
|
|
| 70 | 1 |
0.7%
|
|
| 80 | 2 |
1.3%
|
|
| 90 | 2 |
1.3%
|