| Value | Category | Cases | |
|---|---|---|---|
| 1 | Twice or more per month | 25 |
8.3%
|
| 2 | Monthly | 24 |
8%
|
| 3 | Quarterly | 50 |
16.6%
|
| 4 | Semi-annually | 57 |
18.9%
|
| 5 | Annually | 18 |
6%
|
| 6 | Sporadically as needed | 127 |
42.2%
|
| 7 | Other (specify) | 0 |
0%
|
| Sysmiss | 2133 |