https://scholar.googleblog.com/2020/07/2020-scholar-metrics-released.html
“This release covers articles published in 2015–2019 and includes citations from all articles that were indexed in Google Scholar as of June 2020.”
https://scholar.googleblog.com/2020/07/2020-scholar-metrics-released.html
“This release covers articles published in 2015–2019 and includes citations from all articles that were indexed in Google Scholar as of June 2020.”