Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.8%
|
0 | 307 |
62.5%
|
|
1 | 148 |
30.1%
|
|
2 | 27 |
5.5%
|
|
3 | 3 |
0.6%
|
|
4 | 1 |
0.2%
|
|
6 | 1 |
0.2%
|