Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-8 | Refusal (spontaneous) | 0 |
0%
|
1 | One year or less | 0 |
0%
|
15 | 1 |
100%
|
|
Sysmiss | 270 |