| Value | Category | Cases | |
|---|---|---|---|
| 1 | a. Within 1 week | 199 |
0.8%
|
| 2 | b. Within 1 month | 566 |
2.4%
|
| 3 | c. Within 3 months | 157 |
0.7%
|
| 4 | d. Within 6 months | 10 |
0%
|
| 5 | e. Within 1 year | 25 |
0.1%
|
| Missing value | 22997 |
96%
|