Table:
text: 2003 German 500
Race
Race
Driver Team Laps Time_Retired Grid Points
Sébastien Bourdais Newman/Haas Racing 154 1:49:22.498 1 22
Mario Domínguez Herdez Competition 154 +0.084 secs 6 16
Michel Jourdain, Jr. Team Rahal 154 +0.245 secs 3 14
Bruno Junqueira Newman/Haas Racing 154 +12.042 secs 2 12
Oriol Servià Patrick Racing 154 +12.055 secs 7 10
Darren Manning Walker Racing 154 +24.602 secs 5 8
Patrick Carpentier Team Player`s 153 + 1 Lap 17 6
Jimmy Vasser American Spirit Team Johansson 153 + 1 Lap 11 5
Rodolfo Lavín Walker Racing 153 + 1 Lap 8 4
Roberto Moreno Herdez Competition 153 + 1 Lap 12 3

Question: What is the average score over 154 rounds for the 2003 German 500?