Since we're discussing here's Mariah Carey's "All I Want For Christmas Is You"'s charting performance on the Billboard Hot 100.  The song has charted for 19 weeks   Upon it's release it was not eligible to chart because it was not released as a commercial single and Billboard didn't let non-commercial songs chart at the time. This rule was taken away in 1998, which allowed the song to chart in 1999. After is dropped out it wasn't allowed to re-enter the chart because of Billboard'