<Tr> <Th> </Th> <Th> 6 </Th> <Td> 14.63 </Td> <Td> 12.18 </Td> <Td> 13.14 </Td> <Td> 13.34 </Td> <Td> 12.44 </Td> <Td> 12.87 </Td> <Td> 13.22 </Td> <Td> 13.98 </Td> <Td> 13.74 </Td> <Td> 13.48 </Td> <Td> 12.79 </Td> <Td> 12.81 </Td> <Td> 12.53 </Td> <Td> 12.67 </Td> <Td> 12.38 </Td> <Td> 14.19 </Td> <Td> 13.15 </Td> </Tr> <Tr> <Th> </Th> <Th> 7 </Th> <Td> 17.03 </Td> <Td> 12.46 </Td> <Td> 11.72 </Td> <Td> 11.40 </Td> <Td> 11.00 </Td> <Td> 10.40 </Td> <Td> 10.48 </Td> <Td> 10.58 </Td> <Td> 12.00 </Td> <Td> 11.08 </Td> <Td> 10.43 </Td> <Td> 10.16 </Td> <Td> 10.68 </Td> <Td> 10.32 </Td> <Td> 10.54 </Td> <Td> 11.31 </Td> <Td> 11.35 </Td> </Tr> <Tr> <Th> </Th> <Th> 8 </Th> <Td> 11.44 </Td> <Td> 8.92 </Td> <Td> 8.52 </Td> <Td> 8.69 </Td> <Td> 7.85 </Td> <Td> 8.28 </Td> <Td> 7.47 </Td> <Td> 7.89 </Td> <Td> TBD </Td> <Td> TBD </Td> <Td> TBD </Td> <Td> TBD </Td> <Td> TBD </Td> <Td> TBD </Td> <Td> TBD </Td> <Td> TBD </Td> <Td> TBD </Td> </Tr>

What are the ratings of the walking dead