Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
1 | Less than one month | 8 |
20%
|
2 | 4 |
10%
|
|
3 | 10 |
25%
|
|
4 | 1 |
2.5%
|
|
6 | 5 |
12.5%
|
|
7 | 1 |
2.5%
|
|
8 | 1 |
2.5%
|
|
10 | 1 |
2.5%
|
|
12 | 7 |
17.5%
|
|
17 | 2 |
5%
|
|
Sysmiss | 28 |