| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 53 |
19.6%
|
| 5 | 1 |
0.4%
|
|
| 6 | 1 |
0.4%
|
|
| 10 | 3 |
1.1%
|
|
| 20 | 3 |
1.1%
|
|
| 25 | 1 |
0.4%
|
|
| 28 | 1 |
0.4%
|
|
| 30 | 4 |
1.5%
|
|
| 40 | 5 |
1.8%
|
|
| 47 | 1 |
0.4%
|
|
| 50 | 7 |
2.6%
|
|
| 55 | 3 |
1.1%
|
|
| 58 | 1 |
0.4%
|
|
| 60 | 14 |
5.2%
|
|
| 65 | 1 |
0.4%
|
|
| 70 | 26 |
9.6%
|
|
| 75 | 2 |
0.7%
|
|
| 80 | 38 |
14%
|
|
| 85 | 2 |
0.7%
|
|
| 90 | 15 |
5.5%
|
|
| 94 | 1 |
0.4%
|
|
| 99 | 2 |
0.7%
|
|
| 100 | 86 |
31.7%
|