Are you referring to this type of plot, which can be found through an author page containing that paper (in this case [Evan Shelhamer](https://scholar.google.de/citations?user=-ltRSM0AAAAJ&hl=en&oi=sra)), by clicking on the title:

[![enter image description here][1]][1]

At the Google [scholar page of that paper](https://scholar.google.de/citations?view_op=view_citation&hl=en&user=-ltRSM0AAAAJ&citation_for_view=-ltRSM0AAAAJ:d1gkVwhDpl0C) you can also hover over the bars to see e.g. that the paper has 109 citations from 2015. I don't know about a way to directly export data from Google scholar.


  [1]: https://i.sstatic.net/JJTta.png