| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 19 |
0.3%
|
| 2 | Weekly | 6 |
0.1%
|
| 3 | Monthly | 394 |
6.1%
|
| 4 | Every 3 months | 204 |
3.2%
|
| 5 | Annually | 94 |
1.5%
|
| 97 | Other | 15 |
0.2%
|
| 99 | Not applicable | 5735 |
88.7%
|
| Sysmiss | 35545 |