| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 1 |
1%
|
| -7 | DON'T KNOW | 0 |
0%
|
| 1 | YEARS | 71 |
74%
|
| 2 | MONTHS | 21 |
21.9%
|
| 3 | WEEKS | 1 |
1%
|
| 4 | DAYS | 1 |
1%
|
| 5 | LESS THAN 1 DAY | 1 |
1%
|
| Sysmiss | 9060 |