| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 115 |
0.5%
|
| 2 | Monthly | 201 |
0.8%
|
| 3 | Yearly | 485 |
2%
|
| 4 | Less often | 933 |
3.8%
|
| 5 | Not at all | 23033 |
93%
|
| Sysmiss | 817 |