How much did dupixent's 2020 revenue increase from the previous year?

What was Dupixent’s 2020 revenue, and how much did it rise year over year?

Dupixent’s 2020 revenue increased by $1.1 billion compared with 2019. Specifically, revenue rose from $4.1 billion in 2019 to $5.2 billion in 2020. [1]

Quick check: what’s the math on that increase?

The increase is the difference between the two years: $5.2B (2020) minus $4.1B (2019) equals $1.1B. [1]

Where this figure typically comes from

This year-over-year comparison uses company-reported total revenue for Dupixent for 2019 and 2020. [1]

Sources

[1] https://www.statmuse.com/ask/dupixent-2020-revenue-compared-to-2019