• Dover average pre-tax profit margin for 2023 was 14.9%, a 10.24% increase from 2022.
• Dover average pre-tax profit margin for 2022 was 16.6%, a 9.43% decline from 2021.
• Dover average pre-tax profit margin for 2021 was 15.17%, a 21.17% increase from 2020.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.