| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
1.7%
|
| 0 | 315 |
52.4%
|
|
| 1 | 14 |
2.3%
|
|
| 2 | 6 |
1%
|
|
| 3 | 4 |
0.7%
|
|
| 5 | 34 |
5.7%
|
|
| 6 | 1 |
0.2%
|
|
| 7 | 1 |
0.2%
|
|
| 10 | 47 |
7.8%
|
|
| 14 | 1 |
0.2%
|
|
| 15 | 16 |
2.7%
|
|
| 20 | 41 |
6.8%
|
|
| 25 | 10 |
1.7%
|
|
| 30 | 36 |
6%
|
|
| 35 | 2 |
0.3%
|
|
| 40 | 12 |
2%
|
|
| 45 | 2 |
0.3%
|
|
| 50 | 14 |
2.3%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 9 |
1.5%
|
|
| 70 | 6 |
1%
|
|
| 75 | 2 |
0.3%
|
|
| 80 | 5 |
0.8%
|
|
| 90 | 2 |
0.3%
|
|
| 95 | 1 |
0.2%
|
|
| 100 | 9 |
1.5%
|