<Tr> <Td> Geneva II </Td> <Td> January 1956 </Td> <Td> 5 months </Td> <Td> 22 </Td> <Td> Tariffs, admission of Japan </Td> <Td> $2.5 billion in tariff reductions </Td> </Tr> <Tr> <Td> Dillon </Td> <Td> September 1960 </Td> <Td> 11 months </Td> <Td> 45 </Td> <Td> Tariffs </Td> <Td> Tariff concessions worth $4.9 billion of world trade </Td> </Tr> <Tr> <Td> Kennedy </Td> <Td> May 1964 </Td> <Td> 37 months </Td> <Td> 48 </Td> <Td> Tariffs, Anti-dumping </Td> <Td> Tariff concessions worth $40 billion of world trade </Td> </Tr> <Tr> <Td> Tokyo </Td> <Td> September 1973 </Td> <Td> 74 months </Td> <Td> 102 </Td> <Td> Tariffs, non-tariff measures, "framework" agreements </Td> <Td> Tariff reductions worth more than $300 billion achieved </Td> </Tr>

Where was the most recent wto conference held