Total automobile production exported in the year
2004=(800+500+475)−(700+450+300)=325
Total automobile production exported in the year
2005=(700+550+450)−(675+500+350)=175
Total automobile production exported in the year
2006=(1025+675+475)−(900+625+400)=250
Total automobile production exported in the year
2007=(1200+650+475)−(1050+600+375)=300
Total automobile production exported in the year
2008=(1250+600+350)−(975+550+350)=325
From the data itself we can see that highest growth occurred in the year 2006.
Therefore, we can say that option B is the correct answer.