• Service average net profit margin for 2024 was 12.39%, a 0.16% increase from 2023.
• Service average net profit margin for 2023 was 12.37%, a 26.93% increase from 2022.
• Service average net profit margin for 2022 was 16.93%, a 9.22% decline from 2021.

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