According to billboard magazine Jimmy Buffett ranked number 3 in gross proceeds from a concert for the reporting period ending 12/18/01.
His Columbus Ohio concert was cited at $810,207.00 topping artist like Sting; Arrowsmith and Elton John.
#1 was Phil Lesh (?)
#2 was Britney Spears
Reference:
http://www.billboard.com/billboard/charts/boxscore.jsp