<Tr> <Td> White Americans </Td> <Td> 45 </Td> <Td> 40 </Td> <Td> 11 </Td> <Td> </Td> </Tr> <Tr> <Td> Vietnamese </Td> <Td> 42 </Td> <Td> 22 </Td> <Td> 30 </Td> <Td> 5 </Td> </Tr> <Tr> <Td> Mean </Td> <Td> 43.91 </Td> <Td> 34.80 </Td> <Td> 16.55 </Td> <Td> 5.14 </Td> </Tr> <Tr> <Td> Standard deviation </Td> <Td> 16.87 </Td> <Td> 13.80 </Td> <Td> 9.97 </Td> <Td> 3.41 </Td> </Tr>

Where does blood group ab positive originate from