| Value | Category | Cases | |
|---|---|---|---|
| 1 | hours | 11 |
0.5%
|
| 2 | days | 3 |
0.1%
|
| 3 | weeks | 2 |
0.1%
|
| 998 | don't know | 0 |
0%
|
| 999 | not applicable | 1860 |
82.8%
|
| 9999995 | missing:impute | 371 |
16.5%
|