To me looks like:

left to right:
2019 950 new hire pilots (46% selection, 54% flow),
2020 350 new hire pilots (69% selection, 31% flow),
2021 580 new hire pilots (75% selection. 25% flow),
2022 expected ~2000 new hire pilots (80% selection, 20% flow), with 1759 pilots hired 2022 Year To Date (bottom right)

Nothing about 2023