| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 833 |
5.2%
|
| 2 | Weekly | 949 |
6%
|
| 3 | Monthly | 880 |
5.5%
|
| 4 | Yearly | 208 |
1.3%
|
| 5 | Not at all | 13065 |
82%
|
| Sysmiss | 8877 |