Adele's 21 best selling album for 2nd year in a row

http://www.billboard.com/news/adele-s-2 ... 7382.story
"For the first time since Nielsen SoundScan began tracking music sales in 1991, the same album finishes as the United States' best-seller for a second year. Adele's "21" triumphed in 2011 and ruled again in 2012.
The XL/Columbia Records effort finishes 2012 with 4.41 million sold. In 2011, the set moved 5.82 million. Earlier in 2012, it became the 21st album in the SoundScan era to sell 10 million copies..."
"For the first time since Nielsen SoundScan began tracking music sales in 1991, the same album finishes as the United States' best-seller for a second year. Adele's "21" triumphed in 2011 and ruled again in 2012.
The XL/Columbia Records effort finishes 2012 with 4.41 million sold. In 2011, the set moved 5.82 million. Earlier in 2012, it became the 21st album in the SoundScan era to sell 10 million copies..."