What was the percentage increase in export from 2006 to 2007 ?

Answer: Option C

Percentage increase in export from 2006 to 2007.
$$\begin{array}{rl}& =\left(\frac{11.4-9.5}{9.5}\times 100\right)\%\\ & =\left(\frac{1.9}{9.5}\times 100\right)\%\\ & =\left(\frac{19}{95}\times 100\right)\%\\ & =20\%\end{array}$$