<Tr> <Td> 2018 </Td> <Td> Sultan Hassanal Bolkiah </Td> <Td> Brunei </Td> <Td> </Td> <Td> Ten guests (Heads of ASEAN states) </Td> </Tr> <Tr> <Td> Prime Minister Hun Sen </Td> <Td> Cambodia </Td> <Td> 2nd invitation </Td> </Tr> <Tr> <Td> President Joko Widodo </Td> <Td> Indonesia </Td> <Td> 3rd invitation </Td> </Tr> <Tr> <Td> Prime Minister Thongloun Sisoulith </Td> <Td> Laos </Td> <Td> </Td> </Tr>

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