1) What was the percentage increase in export from 2006 to 2007? A) 16 $\frac{2}{3}$% B) 19% C) 20% D) 33 $\frac{1}{3}$ Answer: Option CExplanation:Percentage increase in export from 2006 to 2007 = $\frac{11.5-9.5}{9.5}\times100$% = $\left(\frac{19}{95}\times100\right)$% = 20%.