The data displays daily e-book unit sales on Amazon in the U.S. as of January 10, 2016, broken down by publisher category. The source found that in the measured period indie published e-books were the most popular on Amazon, with more than 159.72 thousand units sold daily in that time. All in all, e-book sales revenue exhibits growing tendencies on the U.S. market.
Indie published | 159719 |
Big five published | 141467 |
From small or medium publisher | 118127 |
Amazon published | 66659 |
From uncategorized single-author publisher | 31544 |