| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 86 |
8.6%
|
| 0 | 564 |
56.5%
|
|
| 2 | 1 |
0.1%
|
|
| 4 | 1 |
0.1%
|
|
| 5 | 3 |
0.3%
|
|
| 10 | 5 |
0.5%
|
|
| 12 | 1 |
0.1%
|
|
| 15 | 3 |
0.3%
|
|
| 20 | 26 |
2.6%
|
|
| 22 | 1 |
0.1%
|
|
| 25 | 9 |
0.9%
|
|
| 30 | 31 |
3.1%
|
|
| 33 | 1 |
0.1%
|
|
| 35 | 1 |
0.1%
|
|
| 40 | 45 |
4.5%
|
|
| 49 | 1 |
0.1%
|
|
| 50 | 105 |
10.5%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 34 |
3.4%
|
|
| 65 | 4 |
0.4%
|
|
| 70 | 33 |
3.3%
|
|
| 75 | 4 |
0.4%
|
|
| 80 | 18 |
1.8%
|
|
| 85 | 1 |
0.1%
|
|
| 90 | 6 |
0.6%
|
|
| 95 | 2 |
0.2%
|
|
| 100 | 11 |
1.1%
|