| Value | Category | Cases | |
|---|---|---|---|
| 1 | Once a week | 174 |
92.6%
|
| 2 | Twice a month | 3 |
1.6%
|
| 3 | Once a month | 8 |
4.3%
|
| 4 | Don?t supply THR at all | 1 |
0.5%
|
| 88 | Others (specify) | 2 |
1.1%
|