| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 177 |
68.3%
|
|
| 1 | 1 |
0.4%
|
|
| 2 | 2 |
0.8%
|
|
| 4 | 1 |
0.4%
|
|
| 5 | 5 |
1.9%
|
|
| 7 | 1 |
0.4%
|
|
| 8 | 2 |
0.8%
|
|
| 10 | 13 |
5%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 14 |
5.4%
|
|
| 25 | 4 |
1.5%
|
|
| 30 | 13 |
5%
|
|
| 33 | 1 |
0.4%
|
|
| 35 | 1 |
0.4%
|
|
| 40 | 5 |
1.9%
|
|
| 45 | 1 |
0.4%
|
|
| 50 | 11 |
4.2%
|
|
| 55 | 2 |
0.8%
|
|
| 70 | 2 |
0.8%
|
|
| 80 | 2 |
0.8%
|