Part 2 Topic Usage History, 2010
The topic usage for 2010 is shown on three separate pages:
Page 1, from January 9 to April 30, 2010
Page 2, from May 8 to August 29, 2010
Page 3, from September 4 to December 19, 2010
This same information is in a Microsoft Access file. (Don't worry about any security warnings for opening that file. I get that warning every time I open my file.)
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