Value | Category | Cases | |
---|---|---|---|
-9 | Don't know | 0 |
0%
|
-8 | Refused | 0 |
0%
|
-5 | Not applicable | 0 |
0%
|
-3 | Missing | 13 |
0.1%
|
1 | Months | 593 |
2.7%
|
2 | Years | 1900 |
8.7%
|
Sysmiss | 19368 |