WordPress grown rapidly over the years. This awesome infographic by ElegantThemes shows you how relevant WordPress has become in the web design community.
You will be exploring the popularity of search terms over the last decade, we can gain a deeper understanding of the rise and fall in popularity of certain systems, and use those results to shape our understanding of how the web has changed, and how things will continue to change in the foreseeable future.
Google Search Trends for WordPress
Source: Google Search Popularity for WordPress, by ElegantThemes.com