Once again Chitika Insights latest web traffic stats for tablets in the U.S. and Canadian markets has rolled out and Apple has crushed their Android competitors handily. Chitika notes that “the proverbial elephant in the room is iPad usage share, which still stands at over 77% of all U.S. and Canadian tablet-based Web traffic.” Chitika noted that Apple’s lead is only down a few percentage points year-over-year, but the current share is very notable in the context of the North American tablet market.