The World Cup is played once every four years. National teams from all
over the world compete. In 2002 and in 1998, thirty-six teams were
invited; whereas, in 1994 and in 1990, only 24 teams participated. The
data frame Soccer contains three columns: CGT, Game,
and Goals. All of the information contained in Soccer is
indirectly available from the FIFA World Cup website, located at
http://fifaworldcup.yahoo.com/.