| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 9 |
4.1%
|
| 2 | 2018 | 114 |
51.4%
|
| 3 | 2019 | 64 |
28.8%
|
| 4 | 2020 | 23 |
10.4%
|
| 5 | 2021 | 10 |
4.5%
|
| 6 | 2022 | 2 |
0.9%
|
| Missing value | 14 |