| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the last 30 days; | 103 |
0.8%
|
| 2 | Between 1 and 6 months ago; | 161 |
1.3%
|
| 3 | More than 6 months ago | 335 |
2.6%
|
| Missing value | 12184 |
95.3%
|