| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 2172 |
10.3%
|
| 2 | Weekly | 1941 |
9.2%
|
| 3 | Monthly | 1337 |
6.3%
|
| 4 | Yearly | 262 |
1.2%
|
| 5 | Not at all | 15474 |
73%
|
| Sysmiss | 3974 |