| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
1.6%
|
| 0 | 252 |
78.8%
|
|
| 1 | 7 |
2.2%
|
|
| 2 | 5 |
1.6%
|
|
| 3 | 3 |
0.9%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 15 |
4.7%
|
|
| 10 | 2 |
0.6%
|
|
| 15 | 4 |
1.3%
|
|
| 20 | 1 |
0.3%
|
|
| 25 | 3 |
0.9%
|
|
| 27 | 1 |
0.3%
|
|
| 30 | 4 |
1.3%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 1 |
0.3%
|
|
| 50 | 1 |
0.3%
|
|
| 55 | 2 |
0.6%
|
|
| 60 | 1 |
0.3%
|
|
| 65 | 1 |
0.3%
|
|
| 70 | 2 |
0.6%
|
|
| 75 | 1 |
0.3%
|
|
| 80 | 2 |
0.6%
|
|
| 85 | 1 |
0.3%
|
|
| 92 | 1 |
0.3%
|
|
| 97 | 2 |
0.6%
|
|
| 100 | 1 |
0.3%
|