Value | Category | Cases | |
---|---|---|---|
1 | dont know | 12 |
3.9%
|
2 | months | 106 |
34.6%
|
3 | years | 188 |
61.4%
|
7 | refused | 0 |
0%
|
9 | missing | 0 |
0%
|
Sysmiss | 5585 |