| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2017 or earlier | 93 |
36.5%
|
| 2 | 2018 | 33 |
12.9%
|
| 3 | 2019 | 79 |
31%
|
| 4 | 2020 | 39 |
15.3%
|
| 5 | 2021 | 11 |
4.3%
|
| Missing value | 11 |