The specialties included were psychiatry, surgery, anesthesiology, emergency medicine, radiology, cardiology and oncology.
Here are the most popular specialties by state:
Alabama: Surgery — 11 percent
Alaska: Emergency medicine — 15 percent
Arizona: Emergency medicine — 12 percent
Arkansas: Emergency medicine — 9 percent
California: Psychiatry — 12 percent
Colorado: Emergency medicine — 13 percent
Connecticut: Psychiatry — 13 percent
Delaware: Emergency medicine — 14 percent
District of Columbia: Psychiatry — 12 percent
Florida: Emergency medicine — 10 percent
Georgia: Emergency medicine — 11 percent
Hawaii: Psychiatry — 15 percent
Idaho: Radiology — 14 percent
Illinois: Emergency medicine — 13 percent
Iowa: Surgery — 13 percent
Kansas: Psychiatry — 12 percent
Kentucky: Surgery — 12 percent
Louisiana: Surgery — 10 percent
Maine: Emergency medicine — 14 percent
Maryland: Psychiatry — 12 percent
Massachusetts: Psychiatry — 13 percent
Michigan: Emergency medicine — 17 percent
Minnesota: Surgery — 11 percent
Mississippi: Emergency medicine — 12 percent
Missouri: Emergency medicine — 10 percent
Montana: Anesthesiology — 13 percent
Nebraska: Surgery — 11 percent
New Hampshire: Psychiatry — 12 percent
New Jersey: Emergency medicine — 10 percent
New Mexico: Emergency medicine — 13 percent
New York: Psychiatry — 12 percent
North Carolina: Emergency medicine — 11 percent
North Dakota: Surgery — 16 percent
Ohio: Emergency medicine — 12 percent
Oklahoma: Emergency medicine — 14 percent
Oregon: Emergency medicine — 11 percent
Pennsylvania: Emergency medicine — 13 percent
Rhode Island: Emergency medicine — 16 percent
South Carolina: Emergency medicine — 12 percent
South Dakota: Surgery — 11 percent
Tennessee: Surgery — 11 percent
Texas: Anesthesiology — 10 percent
Utah: Anesthesiology — 12 percent
Vermont: Psychiatry — 15 percent
Virginia: Emergency medicine — 11 percent
Washington: Anesthesiology — 11 percent
West Virginia: Emergency medicine — 14 percent
Wisconsin: Radiology — 11 percent
Wyoming: Emergency medicine — 14 percent
