• Service average return on investment for 2023 was 8.39, a 30.95% decline from 2022.
• Service average return on investment for 2022 was 12.15, a 10.99% decline from 2021.
• Service average return on investment for 2021 was 13.65, a 64.86% decline from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.