| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
2.2%
|
| 0 | 353 |
87.8%
|
|
| 1 | 1 |
0.2%
|
|
| 2 | 1 |
0.2%
|
|
| 10 | 2 |
0.5%
|
|
| 20 | 1 |
0.2%
|
|
| 25 | 2 |
0.5%
|
|
| 30 | 1 |
0.2%
|
|
| 50 | 6 |
1.5%
|
|
| 60 | 1 |
0.2%
|
|
| 70 | 2 |
0.5%
|
|
| 75 | 1 |
0.2%
|
|
| 80 | 2 |
0.5%
|
|
| 85 | 1 |
0.2%
|
|
| 90 | 1 |
0.2%
|
|
| 95 | 1 |
0.2%
|
|
| 96 | 1 |
0.2%
|
|
| 99 | 1 |
0.2%
|
|
| 100 | 15 |
3.7%
|