| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.5%
|
| 2 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| 10 | 4 |
1.1%
|
|
| 15 | 3 |
0.8%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 6 |
1.6%
|
|
| 22 | 1 |
0.3%
|
|
| 23 | 1 |
0.3%
|
|
| 25 | 3 |
0.8%
|
|
| 27 | 1 |
0.3%
|
|
| 30 | 11 |
2.9%
|
|
| 31 | 1 |
0.3%
|
|
| 35 | 3 |
0.8%
|
|
| 37 | 1 |
0.3%
|
|
| 40 | 12 |
3.2%
|
|
| 45 | 4 |
1.1%
|
|
| 50 | 13 |
3.4%
|
|
| 51 | 1 |
0.3%
|
|
| 55 | 1 |
0.3%
|
|
| 56 | 1 |
0.3%
|
|
| 60 | 28 |
7.4%
|
|
| 65 | 2 |
0.5%
|
|
| 67 | 1 |
0.3%
|
|
| 70 | 35 |
9.3%
|
|
| 75 | 5 |
1.3%
|
|
| 80 | 42 |
11.1%
|
|
| 83 | 1 |
0.3%
|
|
| 85 | 7 |
1.9%
|
|
| 90 | 32 |
8.5%
|
|
| 95 | 6 |
1.6%
|
|
| 98 | 5 |
1.3%
|
|
| 100 | 142 |
37.6%
|