| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.6%
|
| 0 | 253 |
72.1%
|
|
| 1 | 2 |
0.6%
|
|
| 2 | 1 |
0.3%
|
|
| 5 | 3 |
0.9%
|
|
| 8 | 1 |
0.3%
|
|
| 10 | 15 |
4.3%
|
|
| 15 | 2 |
0.6%
|
|
| 20 | 23 |
6.6%
|
|
| 25 | 4 |
1.1%
|
|
| 30 | 15 |
4.3%
|
|
| 33 | 2 |
0.6%
|
|
| 40 | 8 |
2.3%
|
|
| 50 | 6 |
1.7%
|
|
| 52 | 1 |
0.3%
|
|
| 55 | 1 |
0.3%
|
|
| 60 | 3 |
0.9%
|
|
| 70 | 6 |
1.7%
|
|
| 80 | 1 |
0.3%
|
|
| 88 | 1 |
0.3%
|
|
| 100 | 1 |
0.3%
|