Value | Category | Cases | |
---|---|---|---|
-9 | Don't know | 14 |
8.5%
|
0 | 144 |
87.8%
|
|
10 | 1 |
0.6%
|
|
15 | 1 |
0.6%
|
|
20 | 2 |
1.2%
|
|
60 | 1 |
0.6%
|
|
75 | 1 |
0.6%
|