最も一般的な Spotlight on Statistics: Sports and Exercise Bureau of Labor Statistics : BLS Spotlight on Statistics -- Sports and Exercise http://www.bls.gov/spotlight/2008/sports/ Many people don't get regular exercise Spotlight on Statistics: Sports and Exercise Many people don't get regular exercise study in 2008 by the BLS http://www.bls.gov/spotlight/2008/sports bls.gov study in 2008 by the BLS bls.gov http://www.bls.gov/spotlight/2008/sports/