| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 644 |
16.7%
|
| 2 | Weekly | 1537 |
40%
|
| 3 | Monthly | 892 |
23.2%
|
| 4 | Yearly | 178 |
4.6%
|
| 5 | none | 491 |
12.8%
|
| 7 | 105 |
2.7%
|
|
| Sysmiss | 703 |