| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 44 |
5.8%
|
| 0 | 178 |
23.4%
|
|
| 5 | 7 |
0.9%
|
|
| 10 | 24 |
3.2%
|
|
| 15 | 1 |
0.1%
|
|
| 20 | 43 |
5.7%
|
|
| 25 | 1 |
0.1%
|
|
| 28 | 1 |
0.1%
|
|
| 30 | 53 |
7%
|
|
| 35 | 1 |
0.1%
|
|
| 38 | 1 |
0.1%
|
|
| 40 | 18 |
2.4%
|
|
| 45 | 1 |
0.1%
|
|
| 49 | 1 |
0.1%
|
|
| 50 | 64 |
8.4%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 39 |
5.1%
|
|
| 65 | 3 |
0.4%
|
|
| 70 | 38 |
5%
|
|
| 75 | 9 |
1.2%
|
|
| 80 | 54 |
7.1%
|
|
| 85 | 8 |
1.1%
|
|
| 89 | 1 |
0.1%
|
|
| 90 | 41 |
5.4%
|
|
| 95 | 12 |
1.6%
|
|
| 98 | 4 |
0.5%
|
|
| 99 | 16 |
2.1%
|
|
| 100 | 96 |
12.6%
|