| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | None | 10718 | 31097298 |
97.9%
|
| 2 | Daily | 0 | 0 |
0%
|
| 3 | More than once a week | 2 | 6253 |
0%
|
| 4 | Weekly | 12 | 35776 |
0.1%
|
| 5 | Monthly | 44 | 135673 |
0.4%
|
| 6 | Every 2 months | 0 | 0 |
0%
|
| 7 | Every 6 months | 0 | 0 |
0%
|
| 8 | Few times a year | 114 | 388496 |
1.2%
|
| 9 | Once a year | 0 | 0 |
0%
|
| 99 | Not stated | 26 | 104421 |
0.3%
|