| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
4.8%
|
| 0 | 7 |
2.3%
|
|
| 5 | 4 |
1.3%
|
|
| 10 | 6 |
1.9%
|
|
| 15 | 2 |
0.6%
|
|
| 20 | 11 |
3.5%
|
|
| 25 | 3 |
1%
|
|
| 30 | 21 |
6.8%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 6 |
1.9%
|
|
| 50 | 31 |
10%
|
|
| 54 | 1 |
0.3%
|
|
| 55 | 1 |
0.3%
|
|
| 60 | 7 |
2.3%
|
|
| 65 | 2 |
0.6%
|
|
| 70 | 24 |
7.7%
|
|
| 75 | 2 |
0.6%
|
|
| 80 | 19 |
6.1%
|
|
| 83 | 1 |
0.3%
|
|
| 85 | 1 |
0.3%
|
|
| 88 | 1 |
0.3%
|
|
| 90 | 15 |
4.8%
|
|
| 95 | 3 |
1%
|
|
| 98 | 1 |
0.3%
|
|
| 99 | 1 |
0.3%
|
|
| 100 | 125 |
40.2%
|