Great post by Information is Beautiful :
Hollywood cites yearly losses of billions of dollars to illegal internet downloads as justification for new legislation. (source, PDF)
But what do the numbers say?
See our data and calculations: http://www.bit.ly/movierevs.
(And, um, if you can supply worldwide DVD sales figures, please get in touch!)
ADDITIONAL RESEARCH: MIRIAM QUICK
SOURCE: MOTION PICTURE ASSOCIATION OF AMERICA (PDF)