| Value | Category | Cases | |
|---|---|---|---|
| 1 | a. Within 1 week | 264 |
1.1%
|
| 2 | b. Within 1 month | 140 |
0.6%
|
| 3 | c. Within 3 months | 25 |
0.1%
|
| Missing value | 22709 |
98.1%
|