| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
0.1%
|
| 1 | 3642 |
96.5%
|
|
| 2 | 96 |
2.5%
|
|
| 3 | 20 |
0.5%
|
|
| 4 | 5 |
0.1%
|
|
| 5 | 4 |
0.1%
|
|
| 6 | 2 |
0.1%
|
|
| 8 | 2 |
0.1%
|
|
| 10 | 1 |
0%
|