Rapper Nicki Minaj garnered five top-ten singles during the year, the most of any artist, while Gotye's "Somebody That I Used to Know" was the longest-running top-ten single of the year, spending twenty-four weeks in the tier.
[1] Such re-entries of catalog songs are rare as Billboard maintains a policy deeming songs ineligible to chart due to moving to the recurrent list after twenty weeks if ranking below number fifty.
[1] After Houston's death, however, an adjustment in this policy allowed catalog songs to re-enter the chart's upper half if sales and airplay activity merit inclusion, as was the case with "I Will Always Love You", which surged after the singer's death in digital sales by 6,723% and in airplay by 915% from the previous week.
[1] Phillip Phillips's "Home" became the first song to enter the top ten in separate chart runs in a single calendar year when it re-entered on the weeks ending August 18, 2012 and December 8, 2012 .
[2] Key α "I Will Always Love You" originally entered the top ten and peaked at number one on the week ending November 28, 1992, spending 16 weeks in the tier in its first chart run.