| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | per hour | 151 | 235365 |
2.7%
|
| 2 | per week | 100 | 140267 |
1.6%
|
| 3 | per month | 4678 | 8390471 |
95.7%
|
| Sysmiss | 44257 | 71295279 |