| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 186 |
16.5%
|
| 2 | 2018 | 340 |
30.1%
|
| 3 | 2019 | 369 |
32.7%
|
| 4 | 2020 | 155 |
13.7%
|
| 5 | 2021 | 79 |
7%
|
| Missing value | 17 |