Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
0 | 228 |
46.4%
|
|
1 | 188 |
38.3%
|
|
2 | 63 |
12.8%
|
|
3 | 12 |
2.4%
|