| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 669 |
64.6%
|
| 2 | Once a year or less | 130 |
12.5%
|
| 3 | Once in 6 months | 107 |
10.3%
|
| 4 | Once in 3 months | 70 |
6.8%
|
| 5 | Every month | 17 |
1.6%
|
| 9 | Don’t know | 43 |
4.2%
|