| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 25 |
29.8%
|
| 2 | 2018 | 8 |
9.5%
|
| 3 | 2019 | 5 |
6%
|
| 4 | 2020 | 6 |
7.1%
|
| 5 | 2021 | 23 |
27.4%
|
| 6 | 2022 | 17 |
20.2%
|
| Missing value | 190 |