| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 3 |
0.3%
|
| 2 | Weekly | 13 |
1.3%
|
| 3 | Monthly | 67 |
6.7%
|
| 4 | 6 monthly | 66 |
6.6%
|
| 5 | Yearly | 46 |
4.6%
|
| 6 | Almost never | 616 |
61.7%
|
| 8 | Not applicable | 164 |
16.4%
|
| 9 | Unspecified | 23 |
2.3%
|