| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 18 |
5.2%
|
|
| 5 | 2 |
0.6%
|
|
| 10 | 6 |
1.7%
|
|
| 15 | 2 |
0.6%
|
|
| 20 | 16 |
4.6%
|
|
| 22 | 2 |
0.6%
|
|
| 25 | 7 |
2%
|
|
| 30 | 26 |
7.5%
|
|
| 34 | 2 |
0.6%
|
|
| 40 | 13 |
3.8%
|
|
| 45 | 2 |
0.6%
|
|
| 47 | 1 |
0.3%
|
|
| 50 | 39 |
11.3%
|
|
| 55 | 2 |
0.6%
|
|
| 60 | 18 |
5.2%
|
|
| 65 | 6 |
1.7%
|
|
| 70 | 28 |
8.1%
|
|
| 75 | 5 |
1.4%
|
|
| 80 | 29 |
8.4%
|
|
| 83 | 1 |
0.3%
|
|
| 85 | 1 |
0.3%
|
|
| 90 | 16 |
4.6%
|
|
| 95 | 2 |
0.6%
|
|
| 98 | 1 |
0.3%
|
|
| 100 | 100 |
29%
|