|Number Who Walk Run or Jog - Adult U.S. Residents (millions)||Average Daily Time Spent - Average Duration of Activity (minutes)|
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, Omnibus Household Survey. Data were collected from February through December of 2002 covering activities for the month prior to the survey (January through November). The Omnibus Survey was not conducted in November, 2002, or in January, 2003, which would have covered activities in October and December of 2002.