| Value | Category | Cases | |
|---|---|---|---|
| 1 | Week(s) | 2959 |
7.4%
|
| 2 | Month(s) | 1751 |
4.4%
|
| 3 | Year(s) | 144 |
0.4%
|
| z | Not applicable | 32620 |
81.1%
|
| d | Inconsistency set to missing | 2761 |
6.9%
|