| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 52 |
14.4%
|
| 1 | 63 |
17.5%
|
|
| 2 | 79 |
21.9%
|
|
| 3 | 39 |
10.8%
|
|
| 4 | 33 |
9.1%
|
|
| 5 | 24 |
6.6%
|
|
| 6 | 8 |
2.2%
|
|
| 7 | 5 |
1.4%
|
|
| 8 | 6 |
1.7%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 11 |
3%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 5 |
1.4%
|
|
| 15 | 4 |
1.1%
|
|
| 16 | 2 |
0.6%
|
|
| 17 | 1 |
0.3%
|
|
| 20 | 5 |
1.4%
|
|
| 25 | 2 |
0.6%
|
|
| 30 | 1 |
0.3%
|
|
| 31 | 1 |
0.3%
|
|
| 40 | 3 |
0.8%
|
|
| 45 | 1 |
0.3%
|
|
| 48 | 1 |
0.3%
|
|
| 50 | 2 |
0.6%
|
|
| 52 | 1 |
0.3%
|
|
| 100 | 3 |
0.8%
|
|
| 130 | 1 |
0.3%
|
|
| 139 | 1 |
0.3%
|
|
| 150 | 1 |
0.3%
|
|
| 200 | 2 |
0.6%
|
|
| 470 | 1 |
0.3%
|
|
| 700 | 1 |
0.3%
|