GMAT Sentence Correction (SC) | Re: Analytics firms report that global Internet usage through mobile

Analytics firms report that global Internet usage through mobile devices rose to 8.5 percent in 2012, nearly twice the 2011 figure of 4.3 percent.

nearly twice the 2011 figure of 4.3 percent
nearly doubling the 2011 figure of 4.3 percent
nearly doubling 2011’s 4.3 percent
nearly double that of 2011’s 4.3 percent
almost double the 2011 figure of 4.3 percent