McCain a "Maverick?" 31 other Senate Republicans can claim the title over him

Just a quick check of Senate voting records show that there are 31 Republicans who have voted against the Republican Party's stance on issues (which essentially lines up with the views of the Bush White House) more frequently than John McCain. Based on these data, is it fair for him to continuously call himself an 'independent thinker' and self-proclaimed 'maverick?' It's difficult to claim these titles when the real record is in front of you.