| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | None | 10628 | 30808065 |
97%
|
| 2 | Daily | 0 | 0 |
0%
|
| 3 | More than once a week | 5 | 19008 |
0.1%
|
| 4 | Weekly | 8 | 22073 |
0.1%
|
| 5 | Monthly | 69 | 223168 |
0.7%
|
| 6 | Every 2 months | 0 | 0 |
0%
|
| 7 | Every 6 months | 0 | 0 |
0%
|
| 8 | Few times a year | 177 | 589307 |
1.9%
|
| 9 | Once a year | 0 | 0 |
0%
|
| 99 | Not stated | 29 | 106296 |
0.3%
|