Overall, revenue growth has been slow and inconsistent:
2018: $30.85 billion
2019: $29.14 billion (-5.6% year-over-year decrease)
2020: $26.98 billion (-7.4% year-over-year decrease)
2021: $27.78 billion (3.0% year-over-year increase)
2022: $28.49 billion (2.6% year-over-year increase)
2023: $29.14 billion (2.3% year-over-year increase)