<Tr> <Td> 2000 </Td> <Td> 3,600,000 </Td> </Tr> <Tr> <Td> 2001 </Td> <Td> 3,400,000 </Td> </Tr> <Tr> <Td> 2002 </Td> <Td> 3,600,000 </Td> </Tr> <Tr> <Td> 2003 </Td> <Td> 3,350,000 </Td> </Tr>

The record of the total number of hotel guests at any one time is called the