<Tr> <Th> Stops </Th> <Td> 19,000 </Td> </Tr> <Tr> <Th> Fleet </Th> <Td> 9,588 </Td> </Tr> <Tr> <Th> Daily ridership </Th> <Td> 6 million per weekday </Td> </Tr> <Tr> <Th> Fuel type </Th> <Td> Diesel and Hybrid Technology </Td> </Tr>

How many london buses are in service every day