info on medical helicopters in usa

https://www.sandiegocounty.gov/content/dam/sdc/ems/Helo EMS lecture
County - June 2023.pdf

first med helo flew in 1982

in the 1990s - there were 300 helos flying 2 patients per day

now - there are 800 helios flying 1 patient per day

this is info mostly about san diego county