• Dover average net profit margin for 2023 was 13.47%, a 2.53% increase from 2022.
• Dover average net profit margin for 2022 was 13.82%, a 12.63% decline from 2021.
• Dover average net profit margin for 2021 was 12.27%, a 20.29% increase from 2020.

Net profit margin can be defined as net Income as a portion of total sales revenue.