| PERIOD | Number Certificates delivered | |
| 2021 | 2022 | |
| January-march | 6934 | 5507 |
| April-june | 5355 | 3587 |
| July-september | 7223 | 4613 |
| October-december | 3260 | 1965 |
| TOTAL | 22,772 | 15,672 |