• Sampo average gross margin for 2023 was -10.64%, a 131.33% increase from 2022.
• Sampo average gross margin for 2022 was 33.96%, a 37.08% decline from 2021.
• Sampo average gross margin for 2021 was 53.97%, a 40.04% decline from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.