2001 Billboard Top 100 Hits Countdown Billboard Top 100 Songs of 2001 - Complete List 2002 Billboard Top 100 Hits Countdown Billboard Top 100 Songs of 2002 - Complete List 2003 Billboard Top 100 Hits Countdown Billboard Top 100 Songs of 2003 - Complete List 2004 Billboard Top 100 Hits Countdown Billboard Top 100 Songs of 2004 - Complete List