| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 187 |
36%
|
| 2 | 2018 | 31 |
6%
|
| 3 | 2019 | 68 |
13.1%
|
| 4 | 2020 | 120 |
23.1%
|
| 5 | 2021 | 113 |
21.8%
|
| Missing value | 3602 |