| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 790 |
20.1%
|
| 2 | 2018 | 668 |
17%
|
| 3 | 2019 | 996 |
25.4%
|
| 4 | 2020 | 688 |
17.5%
|
| 5 | 2021 | 780 |
19.9%
|
| Missing value | 28 |