| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 255 |
18.4%
|
| 2 | 2018 | 366 |
26.5%
|
| 3 | 2019 | 405 |
29.3%
|
| 4 | 2020 | 198 |
14.3%
|
| 5 | 2021 | 120 |
8.7%
|
| 6 | 2022 | 39 |
2.8%
|
| Missing value | 44 |