| Value | Category | Cases | |
|---|---|---|---|
| 1 | Weekly | 90 |
0.4%
|
| 2 | Monthly | 94 |
0.4%
|
| 3 | Yearly | 301 |
1.2%
|
| 4 | Less often | 732 |
3%
|
| 5 | Not at all | 23433 |
95.1%
|
| Sysmiss | 510 |