| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 times a month or more | 327 |
20.9%
|
| 2 | Once a month | 562 |
35.9%
|
| 3 | Every 2 to 3 months | 364 |
23.2%
|
| 4 | Every 4 to 6 months | 181 |
11.6%
|
| 5 | About once a year | 108 |
6.9%
|
| 6 | Less than once a year | 16 |
1%
|
| 9 | Don’t know/No Answer | 8 |
0.5%
|
| Sysmiss | 456 |