| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 528 |
3.3%
|
| 2 | Weekly | 693 |
4.3%
|
| 3 | Monthly | 566 |
3.6%
|
| 4 | Yearly | 133 |
0.8%
|
| 5 | Not at all | 14015 |
88%
|
| Sysmiss | 8877 |