据世界旅游组织估计,1979年,全世界的国际游客流量达到了2.7亿人。从国际旅游业所获得的收入的总额为770亿美元;其中五分之四属于发达资本主义国家。1979年,经合组织国家中20个有统计数字的国家的游客流入量为1.87亿人。经合组织国家从国际旅游业所获得的总收入为623亿美元。从外国游客来访所提供的资金中获 According to estimates by the World Tourism Organization, in 1979, the international flow of tourists around the world reached 270 million. The total income from international tourism is $ 77 billion; four fifths of these are in developed capitalist countries. In 1979, visitor flows to 20 of the 20 statistically significant countries in OECD countries were 187 million. OECD countries received a total income of 62.3 billion U.S. dollars from international tourism. Received from the funds provided by foreign visitors