<Tr> <Th> 2014--15 </Th> <Td> 1! Prem </Td> <Td> 38 </Td> <Td> 22 </Td> <Td> 09! 9 </Td> <Td> 07! 7 </Td> <Td> 71 </Td> <Td> 36 </Td> <Td> 75 </Td> <Td> 03! 3rd </Td> <Td> </Td> <Td> R3! R3 </Td> <Td> </Td> <Td> 6! Champions League </Td> <Td> 5! R16 </Td> <Td> Sánchez, Alexis Alexis Sánchez </Td> <Td> 25 </Td> </Tr> <Tr> <Th> 2015--16 </Th> <Td> 1! Prem </Td> <Td> 38 </Td> <Td> 20 </Td> <Td> 11 </Td> <Td> 07! 7 </Td> <Td> 65 </Td> <Td> 36 </Td> <Td> 71 </Td> <Td> 02! 2nd </Td> <Td> QF! QF </Td> <Td> R3! R3 </Td> <Td> </Td> <Td> 6! Champions League </Td> <Td> 5! R16 </Td> <Td> Giroud, Olivier Olivier Giroud </Td> <Td> 24 </Td> </Tr> <Tr> <Th> 2016--17 </Th> <Td> 1! Prem </Td> <Td> 38 </Td> <Td> 23 </Td> <Td> 06! 6 </Td> <Td> 09! 9 </Td> <Td> 77 </Td> <Td> 44 </Td> <Td> 75 </Td> <Td> 05! 5th </Td> <Td> </Td> <Td> QF! QF </Td> <Td> &--</Td> <Td> 6! Champions League </Td> <Td> 5! R16 </Td> <Td> Sánchez, Alexis Alexis Sánchez </Td> <Td> 30 </Td> </Tr> <Tr> <Th> 2017--18 </Th> <Td> Prem </Td> <Td> 38 </Td> <Td> 19 </Td> <Td> 6 </Td> <Td> 13 </Td> <Td> 74 </Td> <Td> 51 </Td> <Td> 63 </Td> <Td> 6th </Td> <Td> R3 </Td> <Td> RU </Td> <Td> </Td> <Td> Europa League </Td> <Td> SF </Td> <Td> Lacazette, Alexandre Alexandre Lacazette </Td> <Td> 17 </Td> </Tr>

When was arsenal last top of the league