| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hourly | 2 |
4.4%
|
| 2 | Daily | 9 |
20%
|
| 3 | Weekly | 1 |
2.2%
|
| 4 | Monthly | 30 |
66.7%
|
| 5 | Once off | 1 |
2.2%
|
| 6 | Others | 1 |
2.2%
|
| 7 | Unknown | 1 |
2.2%
|
| Sysmiss | 4499 |