Value | Category | Cases | |
---|---|---|---|
1 | months | 37 |
7.5%
|
2 | years | 428 |
87%
|
3 | special | 2 |
0.4%
|
8 | don't know | 25 |
5.1%
|
9 | not applicable | 0 |
0%
|
9999995 | missing:impute | 0 |
0%
|
Sysmiss | 800 |