"open access" - Explore - Google Trends

Search for the term "open access" worldwide in the past 12 months in Google Trends. About: "Google Trends allows you to see the topics people are—or aren’t—following, practically in real time. Journalists can use this information to explore potential story ideas, and can also feature Trends data within news stories to illustrate a general level of interest in, say, a political candidate, social issue or event."