| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 369 |
27%
|
| 0 | 425 |
31%
|
|
| 1 | 1 |
0.1%
|
|
| 2 | 1 |
0.1%
|
|
| 3 | 1 |
0.1%
|
|
| 5 | 7 |
0.5%
|
|
| 8 | 1 |
0.1%
|
|
| 10 | 60 |
4.4%
|
|
| 15 | 18 |
1.3%
|
|
| 20 | 81 |
5.9%
|
|
| 25 | 20 |
1.5%
|
|
| 30 | 74 |
5.4%
|
|
| 35 | 13 |
0.9%
|
|
| 38 | 1 |
0.1%
|
|
| 40 | 39 |
2.8%
|
|
| 45 | 4 |
0.3%
|
|
| 50 | 73 |
5.3%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 27 |
2%
|
|
| 65 | 6 |
0.4%
|
|
| 70 | 18 |
1.3%
|
|
| 75 | 3 |
0.2%
|
|
| 80 | 43 |
3.1%
|
|
| 85 | 3 |
0.2%
|
|
| 90 | 24 |
1.8%
|
|
| 95 | 11 |
0.8%
|
|
| 98 | 1 |
0.1%
|
|
| 99 | 4 |
0.3%
|
|
| 100 | 40 |
2.9%
|