| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
0.7%
|
| 0 | 2 |
0.3%
|
|
| 1 | 114 |
18.6%
|
|
| 2 | 164 |
26.8%
|
|
| 3 | 140 |
22.9%
|
|
| 4 | 146 |
23.9%
|
|
| 5 | 13 |
2.1%
|
|
| 6 | 12 |
2%
|
|
| 7 | 6 |
1%
|
|
| 8 | 1 |
0.2%
|
|
| 9 | 2 |
0.3%
|
|
| 10 | 1 |
0.2%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 1 |
0.2%
|
|
| 14 | 2 |
0.3%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 1 |
0.2%
|
|
| 21 | 1 |
0.2%
|