This example was written in response to the query in the Google visualizations forum at https://groups.google.com/forum/#!topic/google-visualization-api/wZu26CIHoxE

The Google Sheet tis is created from is at https://docs.google.com/spreadsheets/d/1kjOTQMAlWc-j6G_XfFUJIzAxuvmyxygQh0q1Dpn4oRU/edit#gid=0 and that contains just under 4,000 rows, but only the last thirty are required to be shown.