<Tr> <Td> 1830 </Td> <Td> 280,652 </Td> <Td> </Td> <Td> 18.9% </Td> </Tr> <Tr> <Td> 1840 </Td> <Td> 291,948 </Td> <Td> </Td> <Td> 4.0% </Td> </Tr> <Tr> <Td> 1850 </Td> <Td> 314,120 </Td> <Td> </Td> <Td> 7.6% </Td> </Tr> <Tr> <Td> 1860 </Td> <Td> 315,098 </Td> <Td> </Td> <Td> 0.3% </Td> </Tr>

What is the state of vermont known for