The data describes data on the unit sales of the United States book market from 2010 to 2016. In the last measured period, 2.7 billion books were sold on the U.S. book market.
2010 | 2.53 |
2011 | 2.4 |
2012 | 2.73 |
2013 | 2.72 |
2014 | 2.7 |
2015 | 2.71 |
2016 | 2.7 |