| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 14 |
12.8%
|
| 2 | 2018 - 2019 | 73 |
67%
|
| 3 | 2020 - 2021 | 22 |
20.2%
|
| Missing value | 20 |