<Tr> <Th_colspan="2"> Characteristics </Th> </Tr> <Tr> <Th> Contact </Th> <Td> Full contact </Td> </Tr> <Tr> <Th> Team members </Th> <Td> 22 (18 onfield) </Td> </Tr> <Tr> <Th> Mixed gender </Th> <Td> Up to age 14 </Td> </Tr>

How many players on an aussie rules team