E-book daily unit sales on Amazon in the U.S. 2016, by publisher category

The graph shows daily e-book unit sales on Amazon in the United States 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.

本图表展示了截至2016年1月10日，美国亚马逊每日电子书单位销量，按出版社类别细分。研究发现，在测量期间，独立出版的电子书在亚马逊上最受欢迎，每日销量超过159.72千册。总体而言，电子书在美国市场的销售额呈现出增长趋势。