| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 736 |
17.8%
|
| 2 | 2018 | 1153 |
27.9%
|
| 3 | 2019 | 1365 |
33.1%
|
| 4 | 2020 | 674 |
16.3%
|
| 5 | 2021 | 201 |
4.9%
|
| Missing value | 80 |