| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
0.3%
|
| 0 | 2 |
0.3%
|
|
| 1 | 96 |
15.7%
|
|
| 2 | 145 |
23.7%
|
|
| 3 | 133 |
21.7%
|
|
| 4 | 147 |
24%
|
|
| 5 | 28 |
4.6%
|
|
| 6 | 22 |
3.6%
|
|
| 7 | 15 |
2.5%
|
|
| 8 | 4 |
0.7%
|
|
| 9 | 2 |
0.3%
|
|
| 10 | 3 |
0.5%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 3 |
0.5%
|
|
| 14 | 4 |
0.7%
|
|
| 15 | 1 |
0.2%
|
|
| 17 | 1 |
0.2%
|
|
| 22 | 1 |
0.2%
|
|
| 30 | 1 |
0.2%
|
|
| 45 | 1 |
0.2%
|