Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
1 | 394 |
80.2%
|
|
2 | 87 |
17.7%
|
|
3 | 8 |
1.6%
|
|
4 | 1 |
0.2%
|