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1973-04-01 2.0942408376963200
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1973-06-01 1.5151515151515100
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1974-08-01 0.8928571428571120
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1974-10-01 1.2987012987012900
1974-11-01 1.2820512820513200
1974-12-01 1.2658227848101000
1975-01-01 0.4166666666666830
1975-02-01 0.4149377593360790
1975-03-01 0.8264462809917430
1975-04-01 0.4098360655737860
1975-05-01 2.0408163265306000
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1975-12-01 0.3968253968253770
1976-01-01 1.5810276679842000
1976-02-01 1.1673151750972800
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1976-09-01 2.1660649819494800
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