| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
1.3%
|
| 0 | 7 |
1.5%
|
|
| 10 | 3 |
0.6%
|
|
| 14 | 1 |
0.2%
|
|
| 20 | 4 |
0.8%
|
|
| 21 | 1 |
0.2%
|
|
| 25 | 2 |
0.4%
|
|
| 30 | 8 |
1.7%
|
|
| 32 | 1 |
0.2%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 13 |
2.7%
|
|
| 45 | 1 |
0.2%
|
|
| 50 | 18 |
3.8%
|
|
| 53 | 1 |
0.2%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 13 |
2.7%
|
|
| 65 | 4 |
0.8%
|
|
| 70 | 26 |
5.5%
|
|
| 71 | 1 |
0.2%
|
|
| 75 | 6 |
1.3%
|
|
| 77 | 1 |
0.2%
|
|
| 80 | 38 |
8%
|
|
| 83 | 1 |
0.2%
|
|
| 85 | 5 |
1.1%
|
|
| 90 | 42 |
8.9%
|
|
| 94 | 1 |
0.2%
|
|
| 95 | 10 |
2.1%
|
|
| 98 | 2 |
0.4%
|
|
| 99 | 3 |
0.6%
|
|
| 100 | 253 |
53.4%
|