<Tr> <Td> 12 </Td> <Td> Netherlands </Td> <Td> 948 </Td> <Td> 151 </Td> <Td> 973 </Td> <Td> 155 </Td> <Td> 936 </Td> <Td> 149 </Td> </Tr> <Tr> <Td> 13 </Td> <Td> Turkey </Td> <Td> 650 </Td> <Td> 103 </Td> <Td> 650 </Td> <Td> 103 </Td> <Td> 576 </Td> <Td> 92 </Td> </Tr> <Tr> <Td> 14 </Td> <Td> Belgium </Td> <Td> 634 </Td> <Td> 101 </Td> <Td> 597 </Td> <Td> 95 </Td> <Td> 546 </Td> <Td> 87 </Td> </Tr> <Tr> <Td> 15 </Td> <Td> Thailand </Td> <Td> 592 </Td> <Td> 94 </Td> <Td> 538 </Td> <Td> 86 </Td> <Td> 606 </Td> <Td> 96 </Td> </Tr>

Where does crude oil come from and how is it formed