Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
2%
|
0 | None | 20 |
40%
|
1 | 8 |
16%
|
|
2 | 9 |
18%
|
|
3 | 2 |
4%
|
|
4 | 1 |
2%
|
|
5 | 1 |
2%
|
|
6 | 3 |
6%
|
|
8 | 1 |
2%
|
|
18 | 1 |
2%
|
|
23 | 1 |
2%
|
|
30 | 1 |
2%
|
|
50 | 1 |
2%
|
|
Sysmiss | 550 |