<Tr> <Th> </Th> <Th> </Th> <Td> 4.37 </Td> <Td> 4.27 </Td> <Td> 4.72 </Td> <Td> 4.87 </Td> <Td> 5.35 </Td> <Td> 5.50 </Td> <Td> 4.84 </Td> <Td> 5.13 </Td> <Td> 5.22 </Td> <Td> 5.39 </Td> <Td> 4.97 </Td> </Tr> <Tr> <Th> </Th> <Th> </Th> <Td> 6.64 </Td> <Td> 6.31 </Td> <Td> 6.59 </Td> <Td> 6.95 </Td> <Td> 7.16 </Td> <Td> 6.40 </Td> <Td> 7.20 </Td> <Td> 7.17 </Td> <Td> 6.95 </Td> <Td> 7.09 </Td> <Td> 6.84 </Td> </Tr> <Tr> <Th> </Th> <Th> 5 </Th> <Td> 8.00 </Td> <Td> 6.81 </Td> <Td> 6.71 </Td> <Td> 6.82 </Td> <Td> 6.56 </Td> <Td> 6.24 </Td> <Td> 5.40 </Td> <Td> 7.01 </Td> <Td> 7.14 </Td> <Td> 8.11 </Td> <Td> 6.88 </Td> </Tr> <Tr> <Th> </Th> <Th> 6 </Th> <Td> 7.94 </Td> <Td> 7.29 </Td> <Td> 7.28 </Td> <Td> 7.82 </Td> <Td> 7.89 </Td> <Td> 6.71 </Td> <Td> 7.80 </Td> <Td> 7.60 </Td> <Td> 7.66 </Td> <Td> 8.89 </Td> <Td> 7.69 </Td> </Tr>

How many seasons of game of thrones is out on dvd