| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 39 |
2.8%
|
| 0 | 97 |
6.9%
|
|
| 5 | 1 |
0.1%
|
|
| 10 | 5 |
0.4%
|
|
| 15 | 2 |
0.1%
|
|
| 20 | 15 |
1.1%
|
|
| 25 | 4 |
0.3%
|
|
| 30 | 16 |
1.1%
|
|
| 35 | 3 |
0.2%
|
|
| 40 | 14 |
1%
|
|
| 42 | 1 |
0.1%
|
|
| 50 | 52 |
3.7%
|
|
| 60 | 35 |
2.5%
|
|
| 65 | 8 |
0.6%
|
|
| 70 | 44 |
3.1%
|
|
| 75 | 10 |
0.7%
|
|
| 80 | 57 |
4%
|
|
| 85 | 7 |
0.5%
|
|
| 90 | 31 |
2.2%
|
|
| 95 | 8 |
0.6%
|
|
| 97 | 3 |
0.2%
|
|
| 98 | 1 |
0.1%
|
|
| 99 | 2 |
0.1%
|
|
| 100 | 961 |
67.9%
|