| Value | Category | Cases | |
|---|---|---|---|
| 1 | Twice or more per month | 236 |
10.2%
|
| 2 | Monthly | 154 |
6.7%
|
| 3 | Quarterly | 179 |
7.7%
|
| 4 | Semi-annually | 229 |
9.9%
|
| 5 | Annually | 115 |
5%
|
| 6 | Sporadically as needed | 1390 |
60.1%
|
| 7 | Other (specify) | 8 |
0.3%
|
| Sysmiss | 17266 |