The given bar graph shows the imports and exports (in crore ₹) of steel for 5 years from 2014 to 2018.

What is the ratio of average export to average import over the five years?

247 : 218

Average Export  :  Average Import

\(\frac{400+420+550+480+620}{5}\: \(\frac{350+380+420+450+580}{5}\)

                       \(\frac{ 2470 }{5}\)  :      \(\frac{ 2180 }{5}\)

                                      494           :                 436

                                      247           :                 218