| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 87 |
11.3%
|
| 0 | 173 |
22.4%
|
|
| 1 | 2 |
0.3%
|
|
| 2 | 4 |
0.5%
|
|
| 3 | 1 |
0.1%
|
|
| 5 | 19 |
2.5%
|
|
| 10 | 73 |
9.5%
|
|
| 12 | 1 |
0.1%
|
|
| 15 | 28 |
3.6%
|
|
| 17 | 1 |
0.1%
|
|
| 18 | 1 |
0.1%
|
|
| 20 | 76 |
9.8%
|
|
| 25 | 24 |
3.1%
|
|
| 30 | 69 |
8.9%
|
|
| 33 | 1 |
0.1%
|
|
| 35 | 6 |
0.8%
|
|
| 38 | 2 |
0.3%
|
|
| 40 | 33 |
4.3%
|
|
| 42 | 1 |
0.1%
|
|
| 45 | 6 |
0.8%
|
|
| 50 | 65 |
8.4%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 18 |
2.3%
|
|
| 65 | 3 |
0.4%
|
|
| 70 | 10 |
1.3%
|
|
| 75 | 4 |
0.5%
|
|
| 80 | 18 |
2.3%
|
|
| 85 | 1 |
0.1%
|
|
| 88 | 1 |
0.1%
|
|
| 90 | 15 |
1.9%
|
|
| 95 | 2 |
0.3%
|
|
| 98 | 1 |
0.1%
|
|
| 99 | 1 |
0.1%
|
|
| 100 | 24 |
3.1%
|