| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
0.1%
|
|
| 1 | Week | 266 |
5%
|
| 2 | Month | 5059 |
94.9%
|
| 9 | Not stated | 0 |
0%
|
| Sysmiss | 41867 |