U.S. e-book consumer spending share on Amazon 2016, by publisher category

The graph shows the distribution of consumer spending on e-books on Amazon in the United States as of May 2016, broken down by publisher category. The source found that independently published (Indie) e-books accounted for 24 percent of sales revenues from bestselling e-books on Amazon. All in all, e-book sales revenue exhibits growing tendencies on the U.S. market.

该图表展现了截至2016年5月，美国亚马逊平台上消费者在电子书上的消费分布情况，并按出版社类别进行了细分。研究发现，独立出版（Indie）电子书占据了亚马逊最畅销电子书销售收入的24%。总体而言，电子书在美国市场的销售收入呈现出不断上升的趋势。