| Value | Category | Cases | |
|---|---|---|---|
| 1 | Day | 5 |
0.6%
|
| 2 | Irregular/not fixed | 1 |
0.1%
|
| 3 | Month | 2 |
0.2%
|
| 4 | Week | 3 |
0.3%
|
| Missing value | 892 |
98.8%
|