In current prices; ESCWA, National Accounts Studies of the ESCWA Region, Bulletin No. 20, New York: United Nations, 2000, p. 9 and ESCWA, National Accounts Studies of the ESCWA Region, Bulletin No. 14, New York: United Nations, 1994.
10 按时价计算：西亚经社会，“西亚经社会区域国民核算研究”，第20号公报，纽约：联合国，1994。