"The four states were rated in the National UFO Alert Rating System as a UFO Alert 2 which represents 3.01 – 4.0 reports per million residents during the month of September 2014."
Nevada, Colorado and Indiana were the next highest reporting states showing between 2.51 and 3.0 reports per million residents and listed as a UFO Alert 3.
Only Missouri earned a UFO Alert 4 rating with reports per million residents between 2.01 and 2.5. All other states were listed as a UFO Alert 5 with 2.0 sightings per million residents or lower. These numbers are based on the month when an event occurred, and not the month in which it was reported.
As the highest reporting states per million residents, the actual numbers are: Maine, 4; Vermont, 2; New Mexico, 8; and Oregon, 15.