<P> Jordan was also selected as the location for the Synchrotron - Light for Experimental Science and Applications in the Middle East (SESAME) facility, supported by UNESCO and CERN . This particle accelerator that was opened in 2017 will allow collaboration between scientists from various rival Middle Eastern countries . The facility is the only particle accelerator in the Middle East, and one of only 60 synchrotron radiation facilities in the world . </P> <Table> <Tr> <Th_colspan="3"> Historical populations </Th> </Tr> <Tr> <Th> Year </Th> <Th> Pop . </Th> <Th> ±% p.a. </Th> </Tr> <Tr> <Th> 1920 </Th> <Td> 200,000 </Td> <Td>--</Td> </Tr> <Tr> <Th> 1922 </Th> <Td> 225,000 </Td> <Td> + 6.07% </Td> </Tr> <Tr> <Th> 1948 </Th> <Td> 400,000 </Td> <Td> + 2.24% </Td> </Tr> <Tr> <Th> 1952 </Th> <Td> 586,200 </Td> <Td> + 10.03% </Td> </Tr> <Tr> <Th> 1961 </Th> <Td> 900,800 </Td> <Td> + 4.89% </Td> </Tr> <Tr> <Th> 1979 </Th> <Td> 2,133,000 </Td> <Td> + 4.91% </Td> </Tr> <Tr> <Th> </Th> <Td> 4,139,500 </Td> <Td> + 4.52% </Td> </Tr> <Tr> <Th> </Th> <Td> 5,100,000 </Td> <Td> + 2.11% </Td> </Tr> <Tr> <Th> 2015 </Th> <Td> 9,531,712 </Td> <Td> + 5.85% </Td> </Tr> <Tr> <Th> 2018 </Th> <Td> 10,171,480 </Td> <Td> + 2.19% </Td> </Tr> <Tr> <Td_colspan="3"> Source: Department of Statistics </Td> </Tr> </Table> <Tr> <Th_colspan="3"> Historical populations </Th> </Tr> <Tr> <Th> Year </Th> <Th> Pop . </Th> <Th> ±% p.a. </Th> </Tr>

Jordan is the capital city of which country