| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every week | 1 |
33.3%
|
| 2 | About twice a month | 1 |
33.3%
|
| 3 | About once a month | 1 |
33.3%
|
| 4 | About every two months | 0 |
0%
|
| 5 | About every three months | 0 |
0%
|
| 6 | About twice a year | 0 |
0%
|
| 7 | Once a year | 0 |
0%
|
| 99 | Not specified | 0 |
0%
|
| Sysmiss | 3995 |