| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 195 |
0.9%
|
| 2 | Weekly | 714 |
3.4%
|
| 3 | Monthly | 824 |
3.9%
|
| 4 | Yearly | 184 |
0.9%
|
| 5 | Not at all | 19269 |
91%
|
| Sysmiss | 3974 |