Number of blood transfusions in the U.S. in 2015, 2017, 2019, and 2021

Data is from the National Blood Collection and Utilization Survey (NBCUS).
"In March 2022, all community-based (53) and hospital-based (83) blood collection centers, a randomly selected 40% of transfusing hospitals performing 100–999 annual inpatient surgeries, and all transfusing hospitals performing ≥1000 annual inpatient surgeries were sent a 2021 NBCUS survey to ascertain blood collection and transfusion data. Survey response rates were 92.5% (49/53) for community-based blood centers, 74.7% (62/83) for hospital-based blood centers, and 76.3% (2102/2754) for transfusing hospitals."
Figures for 2015 were taken from the 2017 report and be found here.
Figures for 2017 were taken from the 2019 report and be found here.