Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.4%
|
1 | 73 |
6.7%
|
|
2 | 363 |
33.1%
|
|
3 | 302 |
27.6%
|
|
4 | 354 |
32.3%
|