http://www.cs.uiowa.edu/~jones/voting/colloq/
Jones Talk, Slide 10

Current Status (Nov 2000)

	
		Method       National	       Iowa
	

		Paper		 2		 1

		Lever		19		 7

		Punchcard	31		 0

		Marksense	27		80

		DRE		 9		12