| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 13 |
10.2%
|
| 2 | 2018 - 2019 | 47 |
36.7%
|
| 3 | 2020 - 2021 | 68 |
53.1%
|
| Missing value | 19 |