<Tr> <Td> 1947 </Td> <Td> 143,446 </Td> <Td> 3,392 </Td> <Td> 2.42% </Td> </Tr> <Tr> <Td> 1948 </Td> <Td> 146,093 </Td> <Td> 2,647 </Td> <Td> 1.85% </Td> </Tr> <Tr> <Td> 1949 </Td> <Td> 148,665 </Td> <Td> 2,572 </Td> <Td> 1.76% </Td> </Tr> <Tr> <Td> 1950 </Td> <Td> 151,868 </Td> <Td> 3,203 </Td> <Td> 2.15% </Td> </Tr>

What was not a result of the baby boom that followed world war 2