In May 2009, Dion was named the 20th best-selling artist of the decade and the second-best-selling female artist of the decade in the United States, selling an estimated 17.57 million copies of her albums there since 2000. In June 2009, "Forbes" reported that she earned $100 million during 2008. In December 2009, Pollstar announced that she was the best-selling solo touring act of the decade and the second-best-selling touring act of the decade, behind only the Dave Matthews Band. she grossed $522.2 million during the decade, a large portion of that sum coming from her five-year residency at Caesars Palace.