Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
0 | 502 |
96.7%
|
|
10 | 1 |
0.2%
|
|
20 | 9 |
1.7%
|
|
30 | 3 |
0.6%
|
|
40 | 2 |
0.4%
|
|
60 | 1 |
0.2%
|
|
80 | 1 |
0.2%
|