| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
1.6%
|
| 0 | 8 |
2.2%
|
|
| 5 | 1 |
0.3%
|
|
| 10 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 2 |
0.5%
|
|
| 40 | 2 |
0.5%
|
|
| 50 | 8 |
2.2%
|
|
| 60 | 7 |
1.9%
|
|
| 65 | 1 |
0.3%
|
|
| 70 | 7 |
1.9%
|
|
| 75 | 1 |
0.3%
|
|
| 80 | 10 |
2.7%
|
|
| 90 | 6 |
1.6%
|
|
| 95 | 2 |
0.5%
|
|
| 98 | 2 |
0.5%
|
|
| 100 | 299 |
81.9%
|