| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the past week | 458 |
43.7%
|
| 2 | One to four weeks ago | 217 |
20.7%
|
| 3 | More than a month ago | 370 |
35.3%
|
| 8 | 2 |
0.2%
|