2014 FIFA World Cup: Goal Scoring in Group Games

136 goals were scored in the 48 Group games at the 2014 World Cup.
There were five 0-0 drawn games in the Tournament: Game 13, Iran v Nigeria; Game 17, Brazil v Mexico; Game 23, Japan v Greece, Game 40, Costa Rica v England; Game 42, Ecuador v France.
52 goals have been scored in the First Half and 84 goals in the Second Half of games.
There have been 4 own goals and 9 penalties (Brazil, Spain, Uruguay, France, Germany, Algeria, Australia, Colombia, Greece).
The pattern of scoring by 15 minutes segments of play has been:

Photo Credit

Gol (Marcelo Druck, CC BY-ND-NC 2.0)