| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 2 |
0.2%
|
| -7 | DON'T KNOW | 13 |
1.1%
|
| 1 | MONTHS | 649 |
56%
|
| 2 | WEEKS | 282 |
24.4%
|
| 3 | DAYS | 157 |
13.6%
|
| 4 | LESS THAN 1 DAY (24 HOURS) | 55 |
4.7%
|
| Sysmiss | 7998 |