| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
1.2%
|
| 0 | 15 |
3%
|
|
| 1 | 2 |
0.4%
|
|
| 2 | 1 |
0.2%
|
|
| 5 | 6 |
1.2%
|
|
| 6 | 1 |
0.2%
|
|
| 10 | 11 |
2.2%
|
|
| 15 | 3 |
0.6%
|
|
| 20 | 22 |
4.4%
|
|
| 25 | 11 |
2.2%
|
|
| 30 | 26 |
5.2%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 18 |
3.6%
|
|
| 50 | 29 |
5.8%
|
|
| 55 | 5 |
1%
|
|
| 60 | 27 |
5.4%
|
|
| 65 | 2 |
0.4%
|
|
| 66 | 1 |
0.2%
|
|
| 70 | 31 |
6.2%
|
|
| 75 | 11 |
2.2%
|
|
| 80 | 46 |
9.2%
|
|
| 85 | 10 |
2%
|
|
| 88 | 1 |
0.2%
|
|
| 90 | 21 |
4.2%
|
|
| 93 | 1 |
0.2%
|
|
| 95 | 9 |
1.8%
|
|
| 96 | 1 |
0.2%
|
|
| 98 | 2 |
0.4%
|
|
| 99 | 1 |
0.2%
|
|
| 100 | 181 |
36.1%
|