"The state of Iowa has spoken", more softly than in meaningful elections

Sources:  2008. 2010, 2012, 2014, 2016 (99.% reported).

Related reading:
How many people vote in the Iowa caucuses?  (Iowa Caucus Project, 7/15/2015)

Americans talk a great deal about the right to vote, but we apparently do not really mean it.

Other afterword posts:
"The state of Iowa has spoken": Caucus winners from 2008, 2012 and 2016.  (2/2/2016) 
Donald Trump's shocking loss in Iowa caucuses: Not so much.  (2/2/2016)