| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 94 |
23.4%
|
| 0 | 67 |
16.7%
|
|
| 1 | 20 |
5%
|
|
| 2 | 41 |
10.2%
|
|
| 3 | 26 |
6.5%
|
|
| 4 | 30 |
7.5%
|
|
| 5 | 19 |
4.7%
|
|
| 6 | 12 |
3%
|
|
| 7 | 12 |
3%
|
|
| 8 | 6 |
1.5%
|
|
| 9 | 1 |
0.2%
|
|
| 10 | 8 |
2%
|
|
| 11 | 2 |
0.5%
|
|
| 12 | 2 |
0.5%
|
|
| 13 | 2 |
0.5%
|
|
| 14 | 1 |
0.2%
|
|
| 15 | 6 |
1.5%
|
|
| 16 | 1 |
0.2%
|
|
| 18 | 2 |
0.5%
|
|
| 20 | 6 |
1.5%
|
|
| 25 | 3 |
0.7%
|
|
| 28 | 2 |
0.5%
|
|
| 30 | 2 |
0.5%
|
|
| 31 | 1 |
0.2%
|
|
| 33 | 1 |
0.2%
|
|
| 40 | 7 |
1.7%
|
|
| 42 | 1 |
0.2%
|
|
| 50 | 7 |
1.7%
|
|
| 56 | 1 |
0.2%
|
|
| 77 | 1 |
0.2%
|
|
| 83 | 1 |
0.2%
|
|
| 100 | 7 |
1.7%
|
|
| 120 | 4 |
1%
|
|
| 200 | 2 |
0.5%
|
|
| 210 | 1 |
0.2%
|
|
| 297 | 1 |
0.2%
|
|
| 485 | 1 |
0.2%
|
|
| 650 | 1 |
0.2%
|