| Value | Category | Cases | |
|---|---|---|---|
| 1 | less_than_six_months_ago | 18 |
0.8%
|
| 2 | more_than_one_year_ago | 197 |
9.2%
|
| 3 | more_than_six_months_ago | 66 |
3.1%
|
| 4 | two_years_ago | 1843 |
86.2%
|
| Missing value | 15 |
0.7%
|