Tailgating by the numbers

Story highlights

  • 18 percent of fans tailgate before games, according to a university study
  • Tailgaters spend an average of $196 on parties, one survey says
  • 63 percent of those surveyed by Weber said they prefer hamburgers for tailgating

(CNN)We super-fans at CNN have compiled some fun facts about the "sport" of tailgating, so you can impress your friends with your intellectual prowess, if not your athletic ability on the field. Everyone's a winner at tailgating, no matter what the scoreboard says.

18 - Percent of fans who tailgate before games, according to one University of Minnesota study.
17.36 million - Attendance at regular-season NFL games in 2014.
    $31.21 - Average cost to park at an NFL stadium (PDF) in 2015.
    49 million - Attendance at NCAA football games in 2014.
    $196 - Amount that NFL fans plan to spend for each tailgate party, according to a DirecTV survey in September.
    93 - Percent of tailgaters who prepare their food once they get to the event, according to a survey by grill-maker Weber.
    40 - Percent of grill owners who told Weber in October that they prefer to bring a full-size grill to their tailgate party, as opposed to 55 percent who use a portable one.
    63 - Percent of grill owners who listed burgers as their favorite food for tailgating.
    10 - Percent of tailgaters who don't end up going to the game, according to 2003 research by the University of South Carolina.
    1869 - The year some say tailgating began as we know it, at the first American football game, between Princeton and Rutgers. Yale University claims it started the tradition in 1904.
    1933 - The first year of the annual meeting between the Georgia Bulldogs and