<Tr> <Td> </Td> <Td> Oil </Td> <Td> 27 </Td> <Td> 177.5 </Td> <Td> 38.3 </Td> </Tr> <Tr> <Td> </Td> <Td> Gems, precious metals, coins </Td> <Td> 71 </Td> <Td> 60 </Td> <Td> 13 </Td> </Tr> <Tr> <Td> </Td> <Td> Electronics </Td> <Td> 85 </Td> <Td> 32 </Td> <Td> 6.9 </Td> </Tr> <Tr> <Td> </Td> <Td> Machines, engines, pumps </Td> <Td> 85 </Td> <Td> 31.2 </Td> <Td> 6.7 </Td> </Tr>

Give account of contribution of india in changing the world history