| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Per day | 1514 |
1.3%
|
| 2 | 2. Per week | 20657 |
17.7%
|
| 3 | 3. Per month | 91947 |
78.8%
|
| 4 | 4. Per year | 2517 |
2.2%
|
| Sysmiss | 5905913 |