| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 99 |
18.8%
|
| 2 | 2018 | 179 |
34%
|
| 3 | 2019 | 215 |
40.8%
|
| 4 | 2020 | 34 |
6.5%
|
| Missing value | 95 |