The vertical axis ranges from 0 to 2600 in increments of 200 units. The horizontal axis is labeled “Article,” “Book Chapters,” “Early Access,” “Proceeding Paper,” and “Review Article.” The data for the bars are as follows: Article: 2751. Book Chapters: 40. Early Access 113. Proceeding Paper: 193. Review Article: 153. Note: All numerical data values are approximated.