| Value | Category | Cases | |
|---|---|---|---|
| 1 | Almost every month | 2031 |
28.7%
|
| 2 | Some months, but not every month | 2424 |
34.3%
|
| 3 | Only one or two months | 160 |
2.3%
|
| 7 | Not Applicable | 2422 |
34.2%
|
| 8 | Refused | 0 |
0%
|
| 9 | Missing | 35 |
0.5%
|