By the numbers:
Median Annual Earnings
Median Annual Earnings are the midpoint earned by 50 percent of workers who are the lowest paid and 50 percent of workers who are the highest paid in a particular occupation
Jobs are any position in which a worker provides labor in exchange for monetary compensation (note: one individual may hold multiple jobs)
Average Annual Earnings are determined by dividing the total earnings for the occupation by the number of jobs in the occupation.