Forbes (magazine) magazine began reporting on Beyoncés earnings in 2008, calculating that the $80 million earned between June 2007 to June 2008, for her music, tour, films and clothing line made her the worlds best-paid music personality at the time, above Madonna (entertainer) and Celine Dion. They placed her fourth on the Forbes Celebrity 100 list in 2009 and ninth on the "Most Powerful Women in the World" list in 2010. The following year, Forbes placed her eighth on the "Best-Paid Celebrities Under 30" list, having earned $35 million in the past year for her clothing line and endorsement deals. In 2012, Forbes placed Beyoncé at number 16 on the Celebrity 100 list, twelve places lower than three years ago yet still having earned $40 million in the past year for her album 4, clothing line and endorsement deals. In the same year, Beyoncé and Jay-Z placed at number one on the "Worlds Highest-Paid Celebrity Couples", for collectively earning $78 million. The couple made it into the previous years Guinness World Records as the "highest-earning power couple" for collectively earning $122 million in 2009. For the years 2009 to 2011, Beyoncé earned an average of $70 million per year, and earned $40 million in 2012. In 2013, Beyoncés endorsements of Pepsi and H&M made her and Jay-Z the worlds first billion dollar couple in the music industry. That year, Beyoncé was published as the fourth most-powerful celebrity in the Forbes rankings.
Question: How many months did it take Beyoncé to earn $80 million?
Answer: 12