| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 2 |
0.3%
|
| 2 | Once a week | 168 |
28.8%
|
| 3 | Every other week | 123 |
21.1%
|
| 4 | Once a month | 282 |
48.3%
|
| 5 | Every quarter | 5 |
0.9%
|
| 6 | Twice a year or less | 4 |
0.7%
|
| Sysmiss | 25 |