| Value | Category | Cases | |
|---|---|---|---|
| 0 | Missing/Refused/NAD | 240837 |
96.7%
|
| 1 | Almost every month | 3056 |
1.2%
|
| 2 | Some months not all | 4652 |
1.9%
|
| 3 | Only once or twice | 631 |
0.3%
|
| 4 | None | 0 |
0%
|