<Table> Appalachian State University <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Motto </Th> <Td> Esse quam videri (Latin) </Td> </Tr> <Tr> <Th> Motto in English </Th> <Td> To Be, Rather Than To Seem </Td> </Tr> <Tr> <Th> Type </Th> <Td> Public </Td> </Tr> <Tr> <Th> Established </Th> <Td> 1899 </Td> </Tr> <Tr> <Th> Parent institution </Th> <Td> UNC System </Td> </Tr> <Tr> <Th> Academic affiliation </Th> <Td> ORAU </Td> </Tr> <Tr> <Th> Endowment </Th> <Td> $94.643 million </Td> </Tr> <Tr> <Th> Chancellor </Th> <Td> Dr. Sheri Noren Everts </Td> </Tr> <Tr> <Th> Academic staff </Th> <Td> 1349 </Td> </Tr> <Tr> <Th> Administrative staff </Th> <Td> 1,706 </Td> </Tr> <Tr> <Th> Students </Th> <Td> 18,811 </Td> </Tr> <Tr> <Th> Undergraduates </Th> <Td> 17,017 </Td> </Tr> <Tr> <Th> Postgraduates </Th> <Td> 1,794 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Boone, North Carolina, U.S. </Td> </Tr> <Tr> <Th> Campus </Th> <Td> College town (Rural), 1,300 acres (5.3 km) </Td> </Tr> <Tr> <Th> Colors </Th> <Td> Black and Gold </Td> </Tr> <Tr> <Th> Nickname </Th> <Td> Mountaineers </Td> </Tr> <Tr> <Th> Sporting affiliations </Th> <Td> NCAA Division I--Sun Belt </Td> </Tr> <Tr> <Th> Mascot </Th> <Td> Yosef </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.appstate.edu </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> </Table> <Tr> <Th> Motto </Th> <Td> Esse quam videri (Latin) </Td> </Tr>

What is the student population of appalachian state university