| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 78 |
5%
|
| 0 | 840 |
53.4%
|
|
| 1 | 6 |
0.4%
|
|
| 2 | 5 |
0.3%
|
|
| 3 | 2 |
0.1%
|
|
| 4 | 2 |
0.1%
|
|
| 5 | 5 |
0.3%
|
|
| 6 | 2 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| 10 | 10 |
0.6%
|
|
| 15 | 5 |
0.3%
|
|
| 20 | 4 |
0.3%
|
|
| 25 | 1 |
0.1%
|
|
| 30 | 7 |
0.4%
|
|
| 40 | 7 |
0.4%
|
|
| 45 | 1 |
0.1%
|
|
| 50 | 25 |
1.6%
|
|
| 55 | 1 |
0.1%
|
|
| 60 | 7 |
0.4%
|
|
| 65 | 3 |
0.2%
|
|
| 68 | 1 |
0.1%
|
|
| 70 | 6 |
0.4%
|
|
| 75 | 1 |
0.1%
|
|
| 76 | 1 |
0.1%
|
|
| 80 | 13 |
0.8%
|
|
| 90 | 2 |
0.1%
|
|
| 95 | 1 |
0.1%
|
|
| 100 | 536 |
34.1%
|