Task: Question Decomposition
Input (English): question: How many more percentage points did the tertiary sector contribute than the primary sector?
Output (English): #1 return tertiary sector  
#2 return primary sector  
#3 return contribute of #1 
#4 return contribute of #2 
#5 return percentage of #3 
#6 return percentage of #4 
#7 return difference of #5 and  #6