| Value | Category | Cases | |
|---|---|---|---|
| 1 | annually | 14 |
0.6%
|
| 2 | daily | 675 |
27.1%
|
| 3 | irregularly | 260 |
10.5%
|
| 4 | monthly | 744 |
29.9%
|
| 5 | seasonally | 579 |
23.3%
|
| 6 | weekly | 215 |
8.6%
|
| Sysmiss | 6993 |