Facts and Figures

Gallup estimated that if companies could get 3.7 percent more work out
of each employee, the equivalent of 18 more minutes of work each
eight-hour shift, the gross domestic product in the United States would
swell by $355 billion, twice the GDP of Greece.

The article I grabbed this from on the site Manage Smarter, is really geared toward training as a complement to motivation but I thought the figure was staggering.  What would a 3.7 percent increase in productivity do for your company?