| Value | Category |
|---|---|
| Anytime they feel like | |
| Every three(3) months. | |
| Irregularly | |
| No specific time | |
| Occasionally | |
| Occassionaly | |
| Once in a long while | |
| Once in a while | |
| Once in two month | |
| Only visited once 2 years ago | |
| Thrice a year | |
| Twice a year | |
| Twice a year. | |
| Twice last year (2014) | |
| Twice yearly | |
| Two times a year |