Compiled and published by the Official Charts Company, the data is based on each track's weekly physical sales, digital downloads and streams.
[2][3] The final number-one single of the year was the 2003 release "Christmas Time (Don't Let the Bells End)" by The Darkness, which reached number one for the week ending 17 December and remained there for the last three weeks of the year.
The band also topped the chart with three more singles, spending a total of 19 weeks at number one.
Fall Out Boy's "Centuries" also spent 14 weeks at number one during the year, while the band spent seven more weeks at number one with the singles "Irresistible", "Uma Thurman" and "Immortals".
Muse spent four weeks at number one with "Psycho", "Dead Inside" and "Mercy".