Billboard Year-End Hot 100 singles of 2010
Billboard publishes annual lists of songs based on chart performance over the course of a year based on Nielsen Broadcast Data Systems and SoundScan information. For 2010, the list for the top 100 Billboard Hot 100 Year-End songs was published on December 8, calculated with data from December 5, 2009 to November 27, 2010.
Source: Wikipedia — Billboard Year-End Hot 100 singles of 2010 (CC BY-SA 4.0)