| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
0.7%
|
| 0 | 393 |
66.4%
|
|
| 5 | 2 |
0.3%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 16 |
2.7%
|
|
| 15 | 4 |
0.7%
|
|
| 17 | 1 |
0.2%
|
|
| 20 | 21 |
3.5%
|
|
| 25 | 10 |
1.7%
|
|
| 30 | 26 |
4.4%
|
|
| 35 | 2 |
0.3%
|
|
| 40 | 15 |
2.5%
|
|
| 50 | 39 |
6.6%
|
|
| 60 | 18 |
3%
|
|
| 70 | 9 |
1.5%
|
|
| 75 | 2 |
0.3%
|
|
| 80 | 11 |
1.9%
|
|
| 90 | 2 |
0.3%
|
|
| 100 | 16 |
2.7%
|