| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
1.8%
|
| 0 | 68 |
10.5%
|
|
| 7 | 1 |
0.2%
|
|
| 10 | 7 |
1.1%
|
|
| 20 | 11 |
1.7%
|
|
| 25 | 5 |
0.8%
|
|
| 30 | 13 |
2%
|
|
| 35 | 2 |
0.3%
|
|
| 40 | 21 |
3.2%
|
|
| 50 | 12 |
1.8%
|
|
| 60 | 10 |
1.5%
|
|
| 65 | 1 |
0.2%
|
|
| 70 | 6 |
0.9%
|
|
| 75 | 1 |
0.2%
|
|
| 80 | 2 |
0.3%
|
|
| 85 | 2 |
0.3%
|
|
| 90 | 3 |
0.5%
|
|
| 95 | 1 |
0.2%
|
|
| 98 | 2 |
0.3%
|
|
| 100 | 469 |
72.3%
|