{"Year":1974,"AO":0.0022,"GNP":183,"CP":2322,"OP":189}
{"Year":1975,"AO":0.0024,"GNP":238,"CP":2729,"OP":206}
{"Year":1976,"AO":0.0027,"GNP":319,"CP":3069,"OP":206}
{"Year":1977,"AO":0.0035,"GNP":408,"CP":2763,"OP":190}
{"Year":1978,"AO":0.005,"GNP":540,"CP":2414,"OP":199}
{"Year":1979,"AO":0.0064,"GNP":676,"CP":2440,"OP":233}
{"Year":1980,"AO":0.0065,"GNP":785,"CP":2430,"OP":630}
{"Year":1981,"AO":0.0069,"GNP":944,"CP":2631,"OP":740}
{"Year":1982,"AO":0.0078,"GNP":1036,"CP":3155,"OP":740}
{"Year":1983,"AO":0.0095,"GNP":1171,"CP":3200,"OP":660}