| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 19 |
1.3%
|
| 0 | 810 |
56%
|
|
| 1 | 2 |
0.1%
|
|
| 3 | 1 |
0.1%
|
|
| 5 | 3 |
0.2%
|
|
| 10 | 4 |
0.3%
|
|
| 15 | 4 |
0.3%
|
|
| 20 | 11 |
0.8%
|
|
| 30 | 6 |
0.4%
|
|
| 40 | 10 |
0.7%
|
|
| 50 | 27 |
1.9%
|
|
| 53 | 1 |
0.1%
|
|
| 60 | 10 |
0.7%
|
|
| 67 | 1 |
0.1%
|
|
| 70 | 3 |
0.2%
|
|
| 75 | 1 |
0.1%
|
|
| 80 | 6 |
0.4%
|
|
| 90 | 5 |
0.3%
|
|
| 95 | 1 |
0.1%
|
|
| 98 | 1 |
0.1%
|
|
| 99 | 1 |
0.1%
|
|
| 100 | 519 |
35.9%
|