| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 2 | 1 |
0.4%
|
|
| 10 | 8 |
3.3%
|
|
| 12 | 1 |
0.4%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 3 |
1.2%
|
|
| 27 | 1 |
0.4%
|
|
| 29 | 2 |
0.8%
|
|
| 30 | 10 |
4.1%
|
|
| 40 | 9 |
3.7%
|
|
| 46 | 1 |
0.4%
|
|
| 50 | 27 |
11%
|
|
| 55 | 3 |
1.2%
|
|
| 60 | 19 |
7.7%
|
|
| 65 | 2 |
0.8%
|
|
| 68 | 1 |
0.4%
|
|
| 70 | 33 |
13.4%
|
|
| 75 | 6 |
2.4%
|
|
| 80 | 36 |
14.6%
|
|
| 85 | 10 |
4.1%
|
|
| 90 | 34 |
13.8%
|
|
| 95 | 7 |
2.8%
|
|
| 98 | 1 |
0.4%
|
|
| 99 | 16 |
6.5%
|
|
| 100 | 14 |
5.7%
|