Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 21 |
5%
|
0 | 380 |
91.3%
|
|
1 | 2 |
0.5%
|
|
5 | 3 |
0.7%
|
|
10 | 2 |
0.5%
|
|
12 | 1 |
0.2%
|
|
15 | 1 |
0.2%
|
|
18 | 1 |
0.2%
|
|
20 | 3 |
0.7%
|
|
50 | 1 |
0.2%
|
|
75 | 1 |
0.2%
|
|
Sysmiss | 1030 |