| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 66 |
4%
|
| 0 | 1350 |
81.2%
|
|
| 1 | 4 |
0.2%
|
|
| 2 | 1 |
0.1%
|
|
| 3 | 1 |
0.1%
|
|
| 5 | 14 |
0.8%
|
|
| 7 | 1 |
0.1%
|
|
| 10 | 28 |
1.7%
|
|
| 15 | 4 |
0.2%
|
|
| 17 | 1 |
0.1%
|
|
| 20 | 26 |
1.6%
|
|
| 25 | 4 |
0.2%
|
|
| 30 | 34 |
2%
|
|
| 35 | 3 |
0.2%
|
|
| 40 | 27 |
1.6%
|
|
| 45 | 1 |
0.1%
|
|
| 50 | 37 |
2.2%
|
|
| 55 | 2 |
0.1%
|
|
| 60 | 5 |
0.3%
|
|
| 65 | 2 |
0.1%
|
|
| 70 | 7 |
0.4%
|
|
| 80 | 7 |
0.4%
|
|
| 85 | 1 |
0.1%
|
|
| 90 | 2 |
0.1%
|
|
| 100 | 35 |
2.1%
|