| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.3%
|
| 0 | 462 |
74.2%
|
|
| 5 | 4 |
0.6%
|
|
| 10 | 13 |
2.1%
|
|
| 15 | 2 |
0.3%
|
|
| 20 | 21 |
3.4%
|
|
| 25 | 1 |
0.2%
|
|
| 30 | 41 |
6.6%
|
|
| 35 | 2 |
0.3%
|
|
| 40 | 13 |
2.1%
|
|
| 50 | 46 |
7.4%
|
|
| 60 | 1 |
0.2%
|
|
| 70 | 8 |
1.3%
|
|
| 80 | 4 |
0.6%
|
|
| 90 | 1 |
0.2%
|
|
| 100 | 2 |
0.3%
|