| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 163 |
20%
|
| 2 | 2018 | 125 |
15.3%
|
| 3 | 2019 | 213 |
26.1%
|
| 4 | 2020 | 119 |
14.6%
|
| 5 | 2021 | 195 |
23.9%
|
| Missing value | 14 |