• SLM average pre-tax profit margin for 2023 was 22.29%, a 45.87% increase from 2022.
• SLM average pre-tax profit margin for 2022 was 41.18%, a 41.58% decline from 2021.
• SLM average pre-tax profit margin for 2021 was 70.49%, a 93.39% decline from 2020.

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