| Value | Category | Cases | |
|---|---|---|---|
| 1 | once a week | 70 |
31%
|
| 2 | every two weeks | 7 |
3.1%
|
| 3 | once a month | 89 |
39.4%
|
| 4 | every three months | 6 |
2.7%
|
| 5 | every six months | 1 |
0.4%
|
| 6 | once a year | 28 |
12.4%
|
| 7 | less than once a year | 24 |
10.6%
|
| 8 | 1 |
0.4%
|