| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
1.4%
|
| 0 | 17 |
2.9%
|
|
| 5 | 1 |
0.2%
|
|
| 10 | 4 |
0.7%
|
|
| 15 | 2 |
0.3%
|
|
| 18 | 1 |
0.2%
|
|
| 20 | 19 |
3.2%
|
|
| 23 | 1 |
0.2%
|
|
| 25 | 4 |
0.7%
|
|
| 30 | 19 |
3.2%
|
|
| 33 | 1 |
0.2%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 17 |
2.9%
|
|
| 46 | 1 |
0.2%
|
|
| 50 | 51 |
8.6%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 26 |
4.4%
|
|
| 70 | 31 |
5.2%
|
|
| 75 | 3 |
0.5%
|
|
| 80 | 36 |
6.1%
|
|
| 83 | 1 |
0.2%
|
|
| 85 | 8 |
1.4%
|
|
| 87 | 1 |
0.2%
|
|
| 89 | 1 |
0.2%
|
|
| 90 | 24 |
4.1%
|
|
| 92 | 1 |
0.2%
|
|
| 93 | 1 |
0.2%
|
|
| 95 | 3 |
0.5%
|
|
| 97 | 1 |
0.2%
|
|
| 98 | 1 |
0.2%
|
|
| 99 | 2 |
0.3%
|
|
| 100 | 304 |
51.4%
|