| Value | Category | Cases | |
|---|---|---|---|
| -2 | don't know | 1 |
0.4%
|
| -1 | refuse | 0 |
0%
|
| 1 | 0-10 days | 4 |
1.5%
|
| 2 | 11-20 days | 8 |
3.1%
|
| 3 | 20-30 days | 249 |
95%
|
| Sysmiss | 787 |